525253544 has 16 divisors (see below), whose sum is σ = 985156020. Its totient is φ = 262545280.

The previous prime is 525253543. The next prime is 525253559. The reversal of 525253544 is 445352525.

It can be written as a sum of positive squares in 2 ways, for example, as 517016644 + 8236900 = 22738^2 + 2870^2 .

It is not an unprimeable number, because it can be changed into a prime (525253543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23924 + ... + 40284.

Almost surely, 2^525253544 is an apocalyptic number.

It is an amenable number.

525253544 is a deficient number, since it is larger than the sum of its proper divisors (459902476).

525253544 is a wasteful number, since it uses less digits than its factorization.

525253544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20380 (or 20376 counting only the distinct ones).

The product of its digits is 120000, while the sum is 35.

The square root of 525253544 is about 22918.4105906147. The cubic root of 525253544 is about 806.8441672400.

The spelling of 525253544 in words is "five hundred twenty-five million, two hundred fifty-three thousand, five hundred forty-four".