251096 has 8 divisors (see below), whose sum is σ = 470820. Its totient is φ = 125544.

The previous prime is 251087. The next prime is 251099. The reversal of 251096 is 690152.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251099) by changing a digit.

251096 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15686 + ... + 15701.

2²⁵¹⁰⁹⁶ is an apocalyptic number.

It is an amenable number.

251096 is a deficient number, since it is larger than the sum of its proper divisors (219724).

251096 is a wasteful number, since it uses less digits than its factorization.

251096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31393 (or 31389 counting only the distinct ones).

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

The square root of 251096 is about 501.0948014099. The cubic root of 251096 is about 63.0879765251.

The spelling of 251096 in words is "two hundred fifty-one thousand, ninety-six".