255455025 has 48 divisors (see below), whose sum is σ = 484159488. Its totient is φ = 116424000.

The previous prime is 255455023. The next prime is 255455027. The reversal of 255455025 is 520554552.

It is an interprime number because it is at equal distance from previous prime (255455023) and next prime (255455027).

It is not a de Polignac number, because 255455025 - 2¹ = 255455023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255455021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257280 + ... + 258270.

It is an arithmetic number, because the mean of its divisors is an integer number (10086656).

Almost surely, 2^255455025 is an apocalyptic number.

255455025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255455025 is a deficient number, since it is larger than the sum of its proper divisors (228704463).

255455025 is a wasteful number, since it uses less digits than its factorization.

255455025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 255455025 is about 15982.9604579377. The cubic root of 255455025 is about 634.5095309496.

The spelling of 255455025 in words is "two hundred fifty-five million, four hundred fifty-five thousand, twenty-five".