252536500 has 24 divisors (see below), whose sum is σ = 551540808. Its totient is φ = 101014400.

The previous prime is 252536491. The next prime is 252536503. The reversal of 252536500 is 5635252.

It can be written as a sum of positive squares in 4 ways, for example, as 79245604 + 173290896 = 8902^2 + 13164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252536503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252037 + ... + 253036.

It is an arithmetic number, because the mean of its divisors is an integer number (22980867).

Almost surely, 2^252536500 is an apocalyptic number.

252536500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252536500 is an abundant number, since it is smaller than the sum of its proper divisors (299004308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252536500 is a wasteful number, since it uses less digits than its factorization.

252536500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505092 (or 505080 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 252536500 is about 15891.3970436837. The cubic root of 252536500 is about 632.0838863442.

The spelling of 252536500 in words is "two hundred fifty-two million, five hundred thirty-six thousand, five hundred".