5137231572 has 60 divisors (see below), whose sum is σ = 14650633536. Its totient is φ = 1556735760.

The previous prime is 5137231549. The next prime is 5137231577. The reversal of 5137231572 is 2751327315.

It is a happy number.

5137231572 is a `hidden beast` number, since 5 + 13 + 72 + 3 + 1 + 572 = 666.

It is a super-2 number, since 2×5137231572² = 52782296448707182368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5137231577) 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, 717148 + ... + 724275.

Almost surely, 2^5137231572 is an apocalyptic number.

It is an amenable number.

5137231572 is an abundant number, since it is smaller than the sum of its proper divisors (9513401964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5137231572 is a wasteful number, since it uses less digits than its factorization.

5137231572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441450 (or 1441439 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 5137231572 is about 71674.4834093696. The cubic root of 5137231572 is about 1725.4791440251.

Adding to 5137231572 its reverse (2751327315), we get a palindrome (7888558887).

It can be divided in two parts, 51372 and 31572, that added together give a square (82944 = 288²).

The spelling of 5137231572 in words is "five billion, one hundred thirty-seven million, two hundred thirty-one thousand, five hundred seventy-two".