3113557 has 4 divisors (see below), whose sum is σ = 3160096. Its totient is φ = 3067020.

The previous prime is 3113531. The next prime is 3113569. The reversal of 3113557 is 7553113.

3113557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7553113 = 157 ⋅48109.

It is a cyclic number.

It is not a de Polignac number, because 3113557 - 2¹⁵ = 3080789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123557) 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 in 3 ways as a sum of consecutive naturals, for example, 23169 + ... + 23302.

It is an arithmetic number, because the mean of its divisors is an integer number (790024).

Almost surely, 2^3113557 is an apocalyptic number.

It is an amenable number.

3113557 is a deficient number, since it is larger than the sum of its proper divisors (46539).

3113557 is an equidigital number, since it uses as much as digits as its factorization.

3113557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46538.

The product of its digits is 1575, while the sum is 25.

The square root of 3113557 is about 1764.5274154855. The cubic root of 3113557 is about 146.0222177985.

The spelling of 3113557 in words is "three million, one hundred thirteen thousand, five hundred fifty-seven".