252218463 has 16 divisors (see below), whose sum is σ = 384564480. Its totient is φ = 144038016.

The previous prime is 252218453. The next prime is 252218489. The reversal of 252218463 is 364812252.

252218463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252218463 - 2⁶ = 252218399 is a prime.

It is a super-2 number, since 2×252218463² = 127228306156164738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252218453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51831 + ... + 56487.

It is an arithmetic number, because the mean of its divisors is an integer number (24035280).

Almost surely, 2^252218463 is an apocalyptic number.

252218463 is a deficient number, since it is larger than the sum of its proper divisors (132346017).

252218463 is a wasteful number, since it uses less digits than its factorization.

252218463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246.

The product of its digits is 23040, while the sum is 33.

The square root of 252218463 is about 15881.3873134560. The cubic root of 252218463 is about 631.8184322932.

The spelling of 252218463 in words is "two hundred fifty-two million, two hundred eighteen thousand, four hundred sixty-three".