2556475 has 6 divisors (see below), whose sum is σ = 3170060. Its totient is φ = 2045160.

The previous prime is 2556467. The next prime is 2556487. The reversal of 2556475 is 5746552.

It is not a de Polignac number, because 2556475 - 2³ = 2556467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2556475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51105 + ... + 51154.

2^2556475 is an apocalyptic number.

2556475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2556475 is a deficient number, since it is larger than the sum of its proper divisors (613585).

2556475 is a wasteful number, since it uses less digits than its factorization.

2556475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102269 (or 102264 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 2556475 is about 1598.8980580387. The cubic root of 2556475 is about 136.7352587140.

The spelling of 2556475 in words is "two million, five hundred fifty-six thousand, four hundred seventy-five".