5132530251 has 20 divisors (see below), whose sum is σ = 7746167352. Its totient is φ = 3386406528.

The previous prime is 5132530219. The next prime is 5132530259. The reversal of 5132530251 is 1520352315.

It is a happy number.

5132530251 is a `hidden beast` number, since 51 + 32 + 530 + 2 + 51 = 666.

It is not a de Polignac number, because 5132530251 - 2⁵ = 5132530219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5132530259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 318765 + ... + 334478.

Almost surely, 2^5132530251 is an apocalyptic number.

5132530251 is a deficient number, since it is larger than the sum of its proper divisors (2613637101).

5132530251 is an equidigital number, since it uses as much as digits as its factorization.

5132530251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653352 (or 653343 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5132530251 is about 71641.6795657388. The cubic root of 5132530251 is about 1724.9526278106.

Adding to 5132530251 its reverse (1520352315), we get a palindrome (6652882566).

The spelling of 5132530251 in words is "five billion, one hundred thirty-two million, five hundred thirty thousand, two hundred fifty-one".