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1056225437 is a prime number
BaseRepresentation
bin111110111101001…
…011100010011101
32201121110210220122
4332331023202131
54130343203222
6252450324325
735113524311
oct7675134235
92647423818
101056225437
114a2236893
122558896a5
1313aa95087
14a03c5b41
1562adaa42
hex3ef4b89d

1056225437 has 2 divisors, whose sum is σ = 1056225438. Its totient is φ = 1056225436.

The previous prime is 1056225311. The next prime is 1056225439. The reversal of 1056225437 is 7345226501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 963854116 + 92371321 = 31046^2 + 9611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1056225437 - 214 = 1056209053 is a prime.

It is a super-2 number, since 2×10562254372 = 2231224347531681938, which contains 22 as substring.

Together with 1056225439, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1056225397 and 1056225406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056225439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528112718 + 528112719.

It is an arithmetic number, because the mean of its divisors is an integer number (528112719).

Almost surely, 21056225437 is an apocalyptic number.

It is an amenable number.

1056225437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056225437 is an equidigital number, since it uses as much as digits as its factorization.

1056225437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1056225437 is about 32499.6221054953. The cubic root of 1056225437 is about 1018.4011337257.

The spelling of 1056225437 in words is "one billion, fifty-six million, two hundred twenty-five thousand, four hundred thirty-seven".