251960 has 16 divisors (see below), whose sum is σ = 567000. Its totient is φ = 100768.

The previous prime is 251947. The next prime is 251969. The reversal of 251960 is 69152.

251960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251969) 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, 3110 + ... + 3189.

2²⁵¹⁹⁶⁰ is an apocalyptic number.

251960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

251960 is an abundant number, since it is smaller than the sum of its proper divisors (315040).

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

251960 is a wasteful number, since it uses less digits than its factorization.

251960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6310 (or 6306 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 251960 is about 501.9561733857. The cubic root of 251960 is about 63.1602538105.

The spelling of 251960 in words is "two hundred fifty-one thousand, nine hundred sixty".