252818663 has 2 divisors, whose sum is σ = 252818664. Its totient is φ = 252818662.

The previous prime is 252818653. The next prime is 252818677. The reversal of 252818663 is 366818252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252818663 - 2¹⁴ = 252802279 is a prime.

It is a super-2 number, since 2×252818663² = 127834552722215138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252818663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252818653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126409331 + 126409332.

It is an arithmetic number, because the mean of its divisors is an integer number (126409332).

Almost surely, 2^252818663 is an apocalyptic number.

252818663 is a deficient number, since it is larger than the sum of its proper divisors (1).

252818663 is an equidigital number, since it uses as much as digits as its factorization.

252818663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 252818663 is about 15900.2724190499. The cubic root of 252818663 is about 632.3192111416.

The spelling of 252818663 in words is "two hundred fifty-two million, eight hundred eighteen thousand, six hundred sixty-three".