113653531 has 4 divisors (see below), whose sum is σ = 113749992. Its totient is φ = 113557072.

The previous prime is 113653513. The next prime is 113653559. The reversal of 113653531 is 135356311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113653531 - 2⁵ = 113653499 is a prime.

It is a super-2 number, since 2×113653531² = 25834250217535922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113653531.

It is not an unprimeable number, because it can be changed into a prime (113653591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46441 + ... + 48826.

It is an arithmetic number, because the mean of its divisors is an integer number (28437498).

Almost surely, 2^113653531 is an apocalyptic number.

113653531 is a deficient number, since it is larger than the sum of its proper divisors (96461).

113653531 is an equidigital number, since it uses as much as digits as its factorization.

113653531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96460.

The product of its digits is 4050, while the sum is 28.

The square root of 113653531 is about 10660.8410081006. The cubic root of 113653531 is about 484.3890432890.

The spelling of 113653531 in words is "one hundred thirteen million, six hundred fifty-three thousand, five hundred thirty-one".