252537539 has 16 divisors (see below), whose sum is σ = 276721920. Its totient is φ = 229706400.

The previous prime is 252537517. The next prime is 252537541. The reversal of 252537539 is 935735252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252537539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252537496 and 252537505.

It is not an unprimeable number, because it can be changed into a prime (252537559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41864 + ... + 47514.

It is an arithmetic number, because the mean of its divisors is an integer number (17295120).

Almost surely, 2^252537539 is an apocalyptic number.

252537539 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

252537539 is a deficient number, since it is larger than the sum of its proper divisors (24184381).

252537539 is a wasteful number, since it uses less digits than its factorization.

252537539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770.

The product of its digits is 283500, while the sum is 41.

The square root of 252537539 is about 15891.4297342939. The cubic root of 252537539 is about 632.0847531948.

The spelling of 252537539 in words is "two hundred fifty-two million, five hundred thirty-seven thousand, five hundred thirty-nine".