251441248 has 24 divisors (see below), whose sum is σ = 510995520. Its totient is φ = 121664640.

The previous prime is 251441243. The next prime is 251441263. The reversal of 251441248 is 842144152.

251441248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251441243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125743 + ... + 127726.

It is an arithmetic number, because the mean of its divisors is an integer number (21291480).

Almost surely, 2^251441248 is an apocalyptic number.

It is an amenable number.

251441248 is an abundant number, since it is smaller than the sum of its proper divisors (259554272).

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

251441248 is a wasteful number, since it uses less digits than its factorization.

251441248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253510 (or 253502 counting only the distinct ones).

The product of its digits is 10240, while the sum is 31.

The square root of 251441248 is about 15856.8990663370. The cubic root of 251441248 is about 631.1687785183.

The spelling of 251441248 in words is "two hundred fifty-one million, four hundred forty-one thousand, two hundred forty-eight".