2575657 has 12 divisors (see below), whose sum is σ = 3028800. Its totient is φ = 2145528.

The previous prime is 2575633. The next prime is 2575663. The reversal of 2575657 is 7565752.

2575657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2575657 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 (2575627) 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 11 ways as a sum of consecutive naturals, for example, 12844 + ... + 13042.

It is an arithmetic number, because the mean of its divisors is an integer number (252400).

2^2575657 is an apocalyptic number.

It is an amenable number.

2575657 is a deficient number, since it is larger than the sum of its proper divisors (453143).

2575657 is an equidigital number, since it uses as much as digits as its factorization.

2575657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 249 counting only the distinct ones).

The product of its digits is 73500, while the sum is 37.

The square root of 2575657 is about 1604.8853541609. The cubic root of 2575657 is about 137.0763954898.

The spelling of 2575657 in words is "two million, five hundred seventy-five thousand, six hundred fifty-seven".