113583551 has 2 divisors, whose sum is σ = 113583552. Its totient is φ = 113583550.

The previous prime is 113583529. The next prime is 113583557. The reversal of 113583551 is 155385311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113583551 - 2¹⁰ = 113582527 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113583557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56791775 + 56791776.

It is an arithmetic number, because the mean of its divisors is an integer number (56791776).

Almost surely, 2^113583551 is an apocalyptic number.

113583551 is a deficient number, since it is larger than the sum of its proper divisors (1).

113583551 is an equidigital number, since it uses as much as digits as its factorization.

113583551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 32.

The square root of 113583551 is about 10657.5583976819. The cubic root of 113583551 is about 484.2896050971.

The spelling of 113583551 in words is "one hundred thirteen million, five hundred eighty-three thousand, five hundred fifty-one".