252973818 has 24 divisors (see below), whose sum is σ = 548402400. Its totient is φ = 84279624.

The previous prime is 252973817. The next prime is 252973829. The reversal of 252973818 is 818379252.

It is a happy number.

252973818 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252973811) 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, 65053 + ... + 68831.

It is an arithmetic number, because the mean of its divisors is an integer number (22850100).

Almost surely, 2^252973818 is an apocalyptic number.

252973818 is an abundant number, since it is smaller than the sum of its proper divisors (295428582).

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

252973818 is a wasteful number, since it uses less digits than its factorization.

252973818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506 (or 7503 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 252973818 is about 15905.1506751744. The cubic root of 252973818 is about 632.4485362784.

The spelling of 252973818 in words is "two hundred fifty-two million, nine hundred seventy-three thousand, eight hundred eighteen".