5251143531 has 16 divisors (see below), whose sum is σ = 7183937024. Its totient is φ = 3410001504.

The previous prime is 5251143523. The next prime is 5251143539. The reversal of 5251143531 is 1353411525.

It is an interprime number because it is at equal distance from previous prime (5251143523) and next prime (5251143539).

It is not a de Polignac number, because 5251143531 - 2³ = 5251143523 is a prime.

It is a super-2 number, since 2×5251143531² = 55149016766326295922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5251143539) 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, 8116 + ... + 102801.

It is an arithmetic number, because the mean of its divisors is an integer number (448996064).

Almost surely, 2^5251143531 is an apocalyptic number.

5251143531 is a deficient number, since it is larger than the sum of its proper divisors (1932793493).

5251143531 is a wasteful number, since it uses less digits than its factorization.

5251143531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111330.

The product of its digits is 9000, while the sum is 30.

The square root of 5251143531 is about 72464.7744148838. The cubic root of 5251143531 is about 1738.1395019879.

The spelling of 5251143531 in words is "five billion, two hundred fifty-one million, one hundred forty-three thousand, five hundred thirty-one".