255389425 has 12 divisors (see below), whose sum is σ = 318015360. Its totient is φ = 203451920.

The previous prime is 255389417. The next prime is 255389437. The reversal of 255389425 is 524983552.

It is not a de Polignac number, because 255389425 - 2³ = 255389417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15397 + ... + 27346.

It is an arithmetic number, because the mean of its divisors is an integer number (26501280).

Almost surely, 2^255389425 is an apocalyptic number.

255389425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

255389425 is a deficient number, since it is larger than the sum of its proper divisors (62625935).

255389425 is a wasteful number, since it uses less digits than its factorization.

255389425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42992 (or 42987 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 255389425 is about 15980.9081406533. The cubic root of 255389425 is about 634.4552129880.

The spelling of 255389425 in words is "two hundred fifty-five million, three hundred eighty-nine thousand, four hundred twenty-five".