252218867 has 2 divisors, whose sum is σ = 252218868. Its totient is φ = 252218866.

The previous prime is 252218833. The next prime is 252218893. The reversal of 252218867 is 768812252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252218867 - 2⁶ = 252218803 is a prime.

It is a super-2 number, since 2×252218867² = 127228713741527378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (252218807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126109433 + 126109434.

It is an arithmetic number, because the mean of its divisors is an integer number (126109434).

Almost surely, 2^252218867 is an apocalyptic number.

252218867 is a deficient number, since it is larger than the sum of its proper divisors (1).

252218867 is an equidigital number, since it uses as much as digits as its factorization.

252218867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The square root of 252218867 is about 15881.4000327427. The cubic root of 252218867 is about 631.8187696390.

The spelling of 252218867 in words is "two hundred fifty-two million, two hundred eighteen thousand, eight hundred sixty-seven".