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1042558837 is a prime number
BaseRepresentation
bin111110001001000…
…010111101110101
32200122202110212021
4332021002331311
54113343340322
6251241353141
734556414065
oct7611027565
92618673767
101042558837
11495551981
122511987b1
13137cbb628
149c6693a5
15617db4c7
hex3e242f75

1042558837 has 2 divisors, whose sum is σ = 1042558838. Its totient is φ = 1042558836.

The previous prime is 1042558831. The next prime is 1042558859. The reversal of 1042558837 is 7388552401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944271441 + 98287396 = 30729^2 + 9914^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042558837 - 211 = 1042556789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1042558793 and 1042558802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042558831) 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, 521279418 + 521279419.

It is an arithmetic number, because the mean of its divisors is an integer number (521279419).

Almost surely, 21042558837 is an apocalyptic number.

It is an amenable number.

1042558837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042558837 is an equidigital number, since it uses as much as digits as its factorization.

1042558837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 1042558837 is about 32288.6797035741. The cubic root of 1042558837 is about 1013.9896558874.

The spelling of 1042558837 in words is "one billion, forty-two million, five hundred fifty-eight thousand, eight hundred thirty-seven".