2556495 has 32 divisors (see below), whose sum is σ = 4708800. Its totient is φ = 1314432.

The previous prime is 2556493. The next prime is 2556503. The reversal of 2556495 is 5946552.

2556495 is a `hidden beast` number, since 2 + 5 + 5 + 649 + 5 = 666.

It is not a de Polignac number, because 2556495 - 2¹ = 2556493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3589 + ... + 4241.

It is an arithmetic number, because the mean of its divisors is an integer number (147150).

2^2556495 is an apocalyptic number.

2556495 is a deficient number, since it is larger than the sum of its proper divisors (2152305).

2556495 is a wasteful number, since it uses less digits than its factorization.

2556495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 690 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 2556495 is about 1598.9043123339. The cubic root of 2556495 is about 136.7356152854.

The spelling of 2556495 in words is "two million, five hundred fifty-six thousand, four hundred ninety-five".