252502442 has 8 divisors (see below), whose sum is σ = 378837732. Its totient is φ = 126223200.

The previous prime is 252502433. The next prime is 252502447. The reversal of 252502442 is 244205252.

252502442 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 can be written as a sum of positive squares in 2 ways, for example, as 215766721 + 36735721 = 14689^2 + 6061^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252502447) 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, 92 + ... + 22472.

Almost surely, 2^252502442 is an apocalyptic number.

252502442 is a deficient number, since it is larger than the sum of its proper divisors (126335290).

252502442 is a wasteful number, since it uses less digits than its factorization.

252502442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28024.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 252502442 is about 15890.3254214632. The cubic root of 252502442 is about 632.0554700151.

Adding to 252502442 its reverse (244205252), we get a palindrome (496707694).

The spelling of 252502442 in words is "two hundred fifty-two million, five hundred two thousand, four hundred forty-two".