2565460 has 12 divisors (see below), whose sum is σ = 5387508. Its totient is φ = 1026176.

The previous prime is 2565449. The next prime is 2565461. The reversal of 2565460 is 645652.

2565460 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 2178576 = 622^2 + 1476^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64117 + ... + 64156.

It is an arithmetic number, because the mean of its divisors is an integer number (448959).

2^2565460 is an apocalyptic number.

2565460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2565460 is an abundant number, since it is smaller than the sum of its proper divisors (2822048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565460 is a wasteful number, since it uses less digits than its factorization.

2565460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128282 (or 128280 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2565460 is about 1601.7053411911. The cubic root of 2565460 is about 136.8952615558.

It can be divided in two parts, 2565 and 460, that added together give a square (3025 = 55²).

The spelling of 2565460 in words is "two million, five hundred sixty-five thousand, four hundred sixty".