2137563531 has 6 divisors (see below), whose sum is σ = 3087591780. Its totient is φ = 1425042348.

The previous prime is 2137563529. The next prime is 2137563539. The reversal of 2137563531 is 1353657312.

2137563531 is a `hidden beast` number, since 2 + 13 + 7 + 5 + 635 + 3 + 1 = 666.

It is not a de Polignac number, because 2137563531 - 2¹ = 2137563529 is a prime.

It is a super-2 number, since 2×2137563531² = 9138355698122375922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2137563539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118753521 + ... + 118753538.

It is an arithmetic number, because the mean of its divisors is an integer number (514598630).

Almost surely, 2^2137563531 is an apocalyptic number.

2137563531 is a deficient number, since it is larger than the sum of its proper divisors (950028249).

2137563531 is a wasteful number, since it uses less digits than its factorization.

2137563531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237507065 (or 237507062 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 2137563531 is about 46233.7920897691. The cubic root of 2137563531 is about 1288.1694949695.

The spelling of 2137563531 in words is "two billion, one hundred thirty-seven million, five hundred sixty-three thousand, five hundred thirty-one".