2555715 has 16 divisors (see below), whose sum is σ = 4151808. Its totient is φ = 1342176.

The previous prime is 2555711. The next prime is 2555731. The reversal of 2555715 is 5175552.

It is not a de Polignac number, because 2555715 - 2² = 2555711 is a prime.

It is a super-2 number, since 2×2555715² = 13063358322450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2555711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267 + ... + 2276.

It is an arithmetic number, because the mean of its divisors is an integer number (259488).

2^2555715 is an apocalyptic number.

2555715 is a deficient number, since it is larger than the sum of its proper divisors (1596093).

2555715 is a wasteful number, since it uses less digits than its factorization.

2555715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its digits is 8750, while the sum is 30.

The square root of 2555715 is about 1598.6603766904. The cubic root of 2555715 is about 136.7217076204.

The spelling of 2555715 in words is "two million, five hundred fifty-five thousand, seven hundred fifteen".