252442720 has 24 divisors (see below), whose sum is σ = 596396304. Its totient is φ = 100977024.

The previous prime is 252442681. The next prime is 252442727. The reversal of 252442720 is 27244252.

252442720 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252442727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788724 + ... + 789043.

It is an arithmetic number, because the mean of its divisors is an integer number (24849846).

Almost surely, 2^252442720 is an apocalyptic number.

252442720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252442720 is an abundant number, since it is smaller than the sum of its proper divisors (343953584).

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

252442720 is a wasteful number, since it uses less digits than its factorization.

252442720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577782 (or 1577774 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 252442720 is about 15888.4461165968. The cubic root of 252442720 is about 632.0056347305.

Adding to 252442720 its reverse (27244252), we get a palindrome (279686972).

The spelling of 252442720 in words is "two hundred fifty-two million, four hundred forty-two thousand, seven hundred twenty".