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1042507357 is a prime number
BaseRepresentation
bin111110001000110…
…110011001011101
32200122122212020121
4332020312121131
54113340213412
6251240314541
734556111023
oct7610663135
92618585217
101042507357
11495517231
12251172a51
13137ca1078
149c654713
15617cb107
hex3e23665d

1042507357 has 2 divisors, whose sum is σ = 1042507358. Its totient is φ = 1042507356.

The previous prime is 1042507343. The next prime is 1042507373. The reversal of 1042507357 is 7537052401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860014276 + 182493081 = 29326^2 + 13509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042507357 - 27 = 1042507229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042507397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521253678 + 521253679.

It is an arithmetic number, because the mean of its divisors is an integer number (521253679).

Almost surely, 21042507357 is an apocalyptic number.

It is an amenable number.

1042507357 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042507357 is an equidigital number, since it uses as much as digits as its factorization.

1042507357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 1042507357 is about 32287.8825103165. The cubic root of 1042507357 is about 1013.9729658472.

Adding to 1042507357 its reverse (7537052401), we get a palindrome (8579559758).

The spelling of 1042507357 in words is "one billion, forty-two million, five hundred seven thousand, three hundred fifty-seven".