113000521 has 2 divisors, whose sum is σ = 113000522. Its totient is φ = 113000520.

The previous prime is 113000509. The next prime is 113000527. The reversal of 113000521 is 125000311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112254025 + 746496 = 10595^2 + 864^2 .

It is a cyclic number.

It is not a de Polignac number, because 113000521 - 2⁹ = 113000009 is a prime.

It is not a weakly prime, because it can be changed into another prime (113000527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56500260 + 56500261.

It is an arithmetic number, because the mean of its divisors is an integer number (56500261).

Almost surely, 2^113000521 is an apocalyptic number.

It is an amenable number.

113000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

113000521 is an equidigital number, since it uses as much as digits as its factorization.

113000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 113000521 is about 10630.1703184850. The cubic root of 113000521 is about 483.4595557249.

Adding to 113000521 its reverse (125000311), we get a palindrome (238000832).

The spelling of 113000521 in words is "one hundred thirteen million, five hundred twenty-one", and thus it is an aban number.