251056941 has 16 divisors (see below), whose sum is σ = 346798080. Its totient is φ = 161382960.

The previous prime is 251056933. The next prime is 251056943. The reversal of 251056941 is 149650152.

It is not a de Polignac number, because 251056941 - 2³ = 251056933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251056943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21550 + ... + 31088.

It is an arithmetic number, because the mean of its divisors is an integer number (21674880).

Almost surely, 2^251056941 is an apocalyptic number.

It is an amenable number.

251056941 is a deficient number, since it is larger than the sum of its proper divisors (95741139).

251056941 is a wasteful number, since it uses less digits than its factorization.

251056941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9856.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 251056941 is about 15844.7764578741. The cubic root of 251056941 is about 630.8470515865.

The spelling of 251056941 in words is "two hundred fifty-one million, fifty-six thousand, nine hundred forty-one".