2517255 has 36 divisors (see below), whose sum is σ = 4738968. Its totient is φ = 1235520.

The previous prime is 2517239. The next prime is 2517269. The reversal of 2517255 is 5527152.

It is a happy number.

It is not a de Polignac number, because 2517255 - 2⁴ = 2517239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7440 + ... + 7770.

It is an arithmetic number, because the mean of its divisors is an integer number (131638).

2^2517255 is an apocalyptic number.

2517255 is a deficient number, since it is larger than the sum of its proper divisors (2221713).

2517255 is a wasteful number, since it uses less digits than its factorization.

2517255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 352 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 2517255 is about 1586.5859573310. The cubic root of 2517255 is about 136.0324136985.

It can be divided in two parts, 2517 and 255, that added together give a palindrome (2772).

The spelling of 2517255 in words is "two million, five hundred seventeen thousand, two hundred fifty-five".