2512765 has 4 divisors (see below), whose sum is σ = 3015324. Its totient is φ = 2010208.

The previous prime is 2512759. The next prime is 2512771. The reversal of 2512765 is 5672152.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2512759) and next prime (2512771).

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 657721 = 1362^2 + 811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2512765 - 2⁷ = 2512637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251272 + ... + 251281.

It is an arithmetic number, because the mean of its divisors is an integer number (753831).

2^2512765 is an apocalyptic number.

It is an amenable number.

2512765 is a deficient number, since it is larger than the sum of its proper divisors (502559).

2512765 is an equidigital number, since it uses as much as digits as its factorization.

2512765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502558.

The product of its digits is 4200, while the sum is 28.

The square root of 2512765 is about 1585.1703378502. The cubic root of 2512765 is about 135.9514857236.

The spelling of 2512765 in words is "two million, five hundred twelve thousand, seven hundred sixty-five".