252217936 has 20 divisors (see below), whose sum is σ = 492524032. Its totient is φ = 125114976.

The previous prime is 252217883. The next prime is 252217943. The reversal of 252217936 is 639712252.

It is a super-2 number, since 2×252217936² = 127227774480200192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 252217895 and 252217904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60030 + ... + 64093.

Almost surely, 2^252217936 is an apocalyptic number.

It is an amenable number.

252217936 is a deficient number, since it is larger than the sum of its proper divisors (240306096).

252217936 is a wasteful number, since it uses less digits than its factorization.

252217936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124258 (or 124252 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 252217936 is about 15881.3707216978. The cubic root of 252217936 is about 631.8179922401.

The spelling of 252217936 in words is "two hundred fifty-two million, two hundred seventeen thousand, nine hundred thirty-six".