5215031252 has 6 divisors (see below), whose sum is σ = 9126304698. Its totient is φ = 2607515624.

The previous prime is 5215031249. The next prime is 5215031257. The reversal of 5215031252 is 2521305125.

It can be written as a sum of positive squares in only one way, i.e., 2724422416 + 2490608836 = 52196^2 + 49906^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215031257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651878903 + ... + 651878910.

It is an arithmetic number, because the mean of its divisors is an integer number (1521050783).

Almost surely, 2^5215031252 is an apocalyptic number.

It is an amenable number.

5215031252 is a deficient number, since it is larger than the sum of its proper divisors (3911273446).

5215031252 is a wasteful number, since it uses less digits than its factorization.

5215031252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303757817 (or 1303757815 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5215031252 is about 72215.1732809664. The cubic root of 5215031252 is about 1734.1459199696.

Adding to 5215031252 its reverse (2521305125), we get a palindrome (7736336377).

The spelling of 5215031252 in words is "five billion, two hundred fifteen million, thirty-one thousand, two hundred fifty-two".