2565446 has 16 divisors (see below), whose sum is σ = 4200000. Its totient is φ = 1168128.

The previous prime is 2565403. The next prime is 2565449. The reversal of 2565446 is 6445652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430 + ... + 2678.

It is an arithmetic number, because the mean of its divisors is an integer number (262500).

2^2565446 is an apocalyptic number.

2565446 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2565446 is a deficient number, since it is larger than the sum of its proper divisors (1634554).

2565446 is a wasteful number, since it uses less digits than its factorization.

2565446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343.

The product of its digits is 28800, while the sum is 32.

The square root of 2565446 is about 1601.7009708432. The cubic root of 2565446 is about 136.8950125378.

The spelling of 2565446 in words is "two million, five hundred sixty-five thousand, four hundred forty-six".