5097531609 has 15 divisors (see below), whose sum is σ = 7615791183. Its totient is φ = 3397926024.

The previous prime is 5097531601. The next prime is 5097531613. The reversal of 5097531609 is 9061357905.

The square root of 5097531609 is 71397.

It is a perfect power (a square), and thus also a powerful number.

5097531609 is a `hidden beast` number, since 5 + 0 + 9 + 7 + 5 + 31 + 609 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1452753225 + 3644778384 = 38115^2 + 60372^2 .

It is not a de Polignac number, because 5097531609 - 2³ = 5097531601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5097531601) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 638607 + ... + 646539.

Almost surely, 2^5097531609 is an apocalyptic number.

5097531609 is the 71397-th square number.

5097531609 is the 35699-th centered octagonal number.

It is an amenable number.

5097531609 is a deficient number, since it is larger than the sum of its proper divisors (2518259574).

5097531609 is an frugal number, since it uses more digits than its factorization.

5097531609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15878 (or 7936 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The cubic root of 5097531609 is about 1721.0228737575.

The spelling of 5097531609 in words is "five billion, ninety-seven million, five hundred thirty-one thousand, six hundred nine".