252737872 has 10 divisors (see below), whose sum is σ = 489679658. Its totient is φ = 126368928.

The previous prime is 252737809. The next prime is 252737873. The reversal of 252737872 is 278737252.

It can be written as a sum of positive squares in only one way, i.e., 137733696 + 115004176 = 11736^2 + 10724^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252737873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7898043 + ... + 7898074.

Almost surely, 2^252737872 is an apocalyptic number.

It is an amenable number.

252737872 is a deficient number, since it is larger than the sum of its proper divisors (236941786).

252737872 is a wasteful number, since it uses less digits than its factorization.

252737872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15796125 (or 15796119 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 252737872 is about 15897.7316620957. The cubic root of 252737872 is about 632.2518490999.

The spelling of 252737872 in words is "two hundred fifty-two million, seven hundred thirty-seven thousand, eight hundred seventy-two".