255442825 has 12 divisors (see below), whose sum is σ = 345544848. Its totient is φ = 185776400.

The previous prime is 255442823. The next prime is 255442829. The reversal of 255442825 is 528244552.

It is not a de Polignac number, because 255442825 - 2¹ = 255442823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255442823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 464167 + ... + 464716.

It is an arithmetic number, because the mean of its divisors is an integer number (28795404).

Almost surely, 2^255442825 is an apocalyptic number.

255442825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255442825 is a deficient number, since it is larger than the sum of its proper divisors (90102023).

255442825 is a wasteful number, since it uses less digits than its factorization.

255442825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928904 (or 928899 counting only the distinct ones).

The product of its digits is 128000, while the sum is 37.

The square root of 255442825 is about 15982.5787969276. The cubic root of 255442825 is about 634.4994298375.

The spelling of 255442825 in words is "two hundred fifty-five million, four hundred forty-two thousand, eight hundred twenty-five".