725252255 has 32 divisors (see below), whose sum is σ = 1072963584. Its totient is φ = 458280576.

The previous prime is 725252251. The next prime is 725252263. The reversal of 725252255 is 552252527.

It is not a de Polignac number, because 725252255 - 2² = 725252251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725252251) 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, 391742 + ... + 393588.

It is an arithmetic number, because the mean of its divisors is an integer number (33530112).

Almost surely, 2^725252255 is an apocalyptic number.

725252255 is a deficient number, since it is larger than the sum of its proper divisors (347711329).

725252255 is a wasteful number, since it uses less digits than its factorization.

725252255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735.

The product of its digits is 70000, while the sum is 35.

The square root of 725252255 is about 26930.5078860388. The cubic root of 725252255 is about 898.4550676066.

The spelling of 725252255 in words is "seven hundred twenty-five million, two hundred fifty-two thousand, two hundred fifty-five".