252550237 has 4 divisors (see below), whose sum is σ = 252711360. Its totient is φ = 252389116.

The previous prime is 252550231. The next prime is 252550279. The reversal of 252550237 is 732055252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252550237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252550199 and 252550208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252550231) 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, 78187 + ... + 81352.

It is an arithmetic number, because the mean of its divisors is an integer number (63177840).

Almost surely, 2^252550237 is an apocalyptic number.

It is an amenable number.

252550237 is a deficient number, since it is larger than the sum of its proper divisors (161123).

252550237 is a wasteful number, since it uses less digits than its factorization.

252550237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161122.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 252550237 is about 15891.8292527953. The cubic root of 252550237 is about 632.0953471019.

The spelling of 252550237 in words is "two hundred fifty-two million, five hundred fifty thousand, two hundred thirty-seven".