253668252 has 48 divisors (see below), whose sum is σ = 601961472. Its totient is φ = 83128320.

The previous prime is 253668251. The next prime is 253668281. The reversal of 253668252 is 252866352.

It is a self number, because there is not a number n which added to its sum of digits gives 253668252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253668251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255477 + ... + 256467.

It is an arithmetic number, because the mean of its divisors is an integer number (12540864).

Almost surely, 2^253668252 is an apocalyptic number.

It is an amenable number.

253668252 is an abundant number, since it is smaller than the sum of its proper divisors (348293220).

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

253668252 is a wasteful number, since it uses less digits than its factorization.

253668252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1336 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 253668252 is about 15926.9661894537. The cubic root of 253668252 is about 633.0267153533.

The spelling of 253668252 in words is "two hundred fifty-three million, six hundred sixty-eight thousand, two hundred fifty-two".