5251131 has 6 divisors (see below), whose sum is σ = 7584980. Its totient is φ = 3500748.

The previous prime is 5251123. The next prime is 5251139. The reversal of 5251131 is 1311525.

It is an interprime number because it is at equal distance from previous prime (5251123) and next prime (5251139).

It is not a de Polignac number, because 5251131 - 2³ = 5251123 is a prime.

It is a super-2 number, since 2×5251131² = 55148753558322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291721 + ... + 291738.

Almost surely, 2^5251131 is an apocalyptic number.

5251131 is a deficient number, since it is larger than the sum of its proper divisors (2333849).

5251131 is a wasteful number, since it uses less digits than its factorization.

5251131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583465 (or 583462 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 5251131 is about 2291.5346386210. The cubic root of 5251131 is about 173.8138119391.

Adding to 5251131 its reverse (1311525), we get a palindrome (6562656).

The spelling of 5251131 in words is "five million, two hundred fifty-one thousand, one hundred thirty-one".