251042233 has 12 divisors (see below), whose sum is σ = 275908368. Its totient is φ = 228262320.

The previous prime is 251042177. The next prime is 251042237. The reversal of 251042233 is 332240152.

It is not a de Polignac number, because 251042233 - 2²⁵ = 217487801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (251042237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238 + ... + 22408.

It is an arithmetic number, because the mean of its divisors is an integer number (22992364).

Almost surely, 2^251042233 is an apocalyptic number.

It is an amenable number.

251042233 is a deficient number, since it is larger than the sum of its proper divisors (24866135).

251042233 is a wasteful number, since it uses less digits than its factorization.

251042233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22264 (or 22251 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 251042233 is about 15844.3123233544. The cubic root of 251042233 is about 630.8347320976.

Adding to 251042233 its reverse (332240152), we get a palindrome (583282385).

The spelling of 251042233 in words is "two hundred fifty-one million, forty-two thousand, two hundred thirty-three".