252684663 has 48 divisors (see below), whose sum is σ = 425940480. Its totient is φ = 130426560.

The previous prime is 252684637. The next prime is 252684683. The reversal of 252684663 is 366486252.

It is a happy number.

It is not a de Polignac number, because 252684663 - 2¹⁴ = 252668279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252684683) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703678 + ... + 704036.

It is an arithmetic number, because the mean of its divisors is an integer number (8873760).

Almost surely, 2^252684663 is an apocalyptic number.

252684663 is a deficient number, since it is larger than the sum of its proper divisors (173255817).

252684663 is a wasteful number, since it uses less digits than its factorization.

252684663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 657 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 252684663 is about 15896.0580962703. The cubic root of 252684663 is about 632.2074765786.

The spelling of 252684663 in words is "two hundred fifty-two million, six hundred eighty-four thousand, six hundred sixty-three".