536644225 has 12 divisors (see below), whose sum is σ = 716626876. Its totient is φ = 396290880.

The previous prime is 536644181. The next prime is 536644247. The reversal of 536644225 is 522446635.

It can be written as a sum of positive squares in 6 ways, for example, as 78641424 + 458002801 = 8868^2 + 21401^2 .

It is not a de Polignac number, because 536644225 - 2¹³ = 536636033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825282 + ... + 825931.

Almost surely, 2^536644225 is an apocalyptic number.

It is an amenable number.

536644225 is a deficient number, since it is larger than the sum of its proper divisors (179982651).

536644225 is a wasteful number, since it uses less digits than its factorization.

536644225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651236 (or 1651231 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

The square root of 536644225 is about 23165.5827684088. The cubic root of 536644225 is about 812.6349314369.

The spelling of 536644225 in words is "five hundred thirty-six million, six hundred forty-four thousand, two hundred twenty-five".