252660650 has 24 divisors (see below), whose sum is σ = 512672544. Its totient is φ = 91876400.

The previous prime is 252660643. The next prime is 252660659. The reversal of 252660650 is 56066252.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252660659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229142 + ... + 230241.

It is an arithmetic number, because the mean of its divisors is an integer number (21361356).

Almost surely, 2^252660650 is an apocalyptic number.

252660650 is an abundant number, since it is smaller than the sum of its proper divisors (260011894).

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

252660650 is a wasteful number, since it uses less digits than its factorization.

252660650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459406 (or 459401 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 252660650 is about 15895.3027652826. The cubic root of 252660650 is about 632.1874494048.

The spelling of 252660650 in words is "two hundred fifty-two million, six hundred sixty thousand, six hundred fifty".