5215131 has 8 divisors (see below), whose sum is σ = 7726160. Its totient is φ = 3476736.

The previous prime is 5215127. The next prime is 5215151. The reversal of 5215131 is 1315125.

It is not a de Polignac number, because 5215131 - 2² = 5215127 is a prime.

It is a super-2 number, since 2×5215131² = 54395182694322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96550 + ... + 96603.

It is an arithmetic number, because the mean of its divisors is an integer number (965770).

Almost surely, 2^5215131 is an apocalyptic number.

5215131 is a deficient number, since it is larger than the sum of its proper divisors (2511029).

5215131 is a wasteful number, since it uses less digits than its factorization.

5215131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193162 (or 193156 counting only the distinct ones).

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

The square root of 5215131 is about 2283.6661314649. Note that the first 3 decimals coincide. The cubic root of 5215131 is about 173.4156976246.

The spelling of 5215131 in words is "five million, two hundred fifteen thousand, one hundred thirty-one".