113835521 has 2 divisors, whose sum is σ = 113835522. Its totient is φ = 113835520.

The previous prime is 113835499. The next prime is 113835541. The reversal of 113835521 is 125538311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99281296 + 14554225 = 9964^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 113835521 - 2¹⁸ = 113573377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113835541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56917760 + 56917761.

It is an arithmetic number, because the mean of its divisors is an integer number (56917761).

Almost surely, 2^113835521 is an apocalyptic number.

It is an amenable number.

113835521 is a deficient number, since it is larger than the sum of its proper divisors (1).

113835521 is an equidigital number, since it uses as much as digits as its factorization.

113835521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 113835521 is about 10669.3730368752. The cubic root of 113835521 is about 484.6474513069.

The spelling of 113835521 in words is "one hundred thirteen million, eight hundred thirty-five thousand, five hundred twenty-one".