113621593 has 2 divisors, whose sum is σ = 113621594. Its totient is φ = 113621592.

The previous prime is 113621581. The next prime is 113621617. The reversal of 113621593 is 395126311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113039424 + 582169 = 10632^2 + 763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113621593 is a prime.

It is not a weakly prime, because it can be changed into another prime (113621393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56810796 + 56810797.

It is an arithmetic number, because the mean of its divisors is an integer number (56810797).

Almost surely, 2^113621593 is an apocalyptic number.

It is an amenable number.

113621593 is a deficient number, since it is larger than the sum of its proper divisors (1).

113621593 is an equidigital number, since it uses as much as digits as its factorization.

113621593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 31.

The square root of 113621593 is about 10659.3429910103. The cubic root of 113621593 is about 484.3436660022.

The spelling of 113621593 in words is "one hundred thirteen million, six hundred twenty-one thousand, five hundred ninety-three".