537544225 has 9 divisors (see below), whose sum is σ = 666698617. Its totient is φ = 429942640.

The previous prime is 537544213. The next prime is 537544229. The reversal of 537544225 is 522445735.

The square root of 537544225 is 23185.

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

It can be written as a sum of positive squares in 4 ways, for example, as 82319329 + 455224896 = 9073^2 + 21336^2 .

It is not a de Polignac number, because 537544225 - 2⁵ = 537544193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (537544229) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 113607 + ... + 118243.

Almost surely, 2^537544225 is an apocalyptic number.

537544225 is the 23185-th square number.

537544225 is the 11593-rd centered octagonal number.

It is an amenable number.

537544225 is a deficient number, since it is larger than the sum of its proper divisors (129154392).

537544225 is an frugal number, since it uses more digits than its factorization.

537544225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9284 (or 4642 counting only the distinct ones).

The product of its digits is 168000, while the sum is 37.

The cubic root of 537544225 is about 813.0889646843.

The spelling of 537544225 in words is "five hundred thirty-seven million, five hundred forty-four thousand, two hundred twenty-five".