251048 has 16 divisors (see below), whose sum is σ = 538080. Its totient is φ = 107568.

The previous prime is 251033. The next prime is 251051. The reversal of 251048 is 840152.

251048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186 + ... + 2297.

It is an arithmetic number, because the mean of its divisors is an integer number (33630).

2²⁵¹⁰⁴⁸ is an apocalyptic number.

251048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

251048 is an abundant number, since it is smaller than the sum of its proper divisors (287032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

251048 is a wasteful number, since it uses less digits than its factorization.

251048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496 (or 4492 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 251048 is about 501.0469039920. The cubic root of 251048 is about 63.0839562621.

The spelling of 251048 in words is "two hundred fifty-one thousand, forty-eight".