252201042 has 12 divisors (see below), whose sum is σ = 546435630. Its totient is φ = 84067008.

The previous prime is 252201031. The next prime is 252201071. The reversal of 252201042 is 240102252.

It can be written as a sum of positive squares in only one way, i.e., 207965241 + 44235801 = 14421^2 + 6651^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 14011169 = 252201042 / (2 + 5 + 2 + 2 + 0 + 1 + 0 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7005567 + ... + 7005602.

Almost surely, 2^252201042 is an apocalyptic number.

252201042 is an abundant number, since it is smaller than the sum of its proper divisors (294234588).

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

252201042 is a wasteful number, since it uses less digits than its factorization.

252201042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14011177 (or 14011174 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 252201042 is about 15880.8388317494. The cubic root of 252201042 is about 631.8038851658.

Adding to 252201042 its reverse (240102252), we get a palindrome (492303294).

It can be divided in two parts, 25220 and 1042, that added together give a palindrome (26262).

The spelling of 252201042 in words is "two hundred fifty-two million, two hundred one thousand, forty-two".