251054425 has 24 divisors (see below), whose sum is σ = 319885280. Its totient is φ = 195350400.

The previous prime is 251054417. The next prime is 251054437. The reversal of 251054425 is 524450152.

It is not a de Polignac number, because 251054425 - 2³ = 251054417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 251054393 and 251054402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 439390 + ... + 439960.

Almost surely, 2^251054425 is an apocalyptic number.

251054425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

251054425 is a deficient number, since it is larger than the sum of its proper divisors (68830855).

251054425 is a wasteful number, since it uses less digits than its factorization.

251054425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 251054425 is about 15844.6970624244. The cubic root of 251054425 is about 630.8449442074.

The spelling of 251054425 in words is "two hundred fifty-one million, fifty-four thousand, four hundred twenty-five".