2057512765 has 16 divisors (see below), whose sum is σ = 3078253440. Its totient is φ = 1282605120.

The previous prime is 2057512759. The next prime is 2057512801. The reversal of 2057512765 is 5672157502.

It is not a de Polignac number, because 2057512765 - 2¹⁵ = 2057479997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2671710 + ... + 2672479.

It is an arithmetic number, because the mean of its divisors is an integer number (192390840).

Almost surely, 2^2057512765 is an apocalyptic number.

It is an amenable number.

2057512765 is a deficient number, since it is larger than the sum of its proper divisors (1020740675).

2057512765 is a wasteful number, since it uses less digits than its factorization.

2057512765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344212.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 2057512765 is about 45359.8144286328. The cubic root of 2057512765 is about 1271.8840255685.

The spelling of 2057512765 in words is "two billion, fifty-seven million, five hundred twelve thousand, seven hundred sixty-five".