252359999 has 2 divisors, whose sum is σ = 252360000. Its totient is φ = 252359998.

The previous prime is 252359993. The next prime is 252360013. The reversal of 252359999 is 999953252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252359999 - 2⁴ = 252359983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252359999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252359993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126179999 + 126180000.

It is an arithmetic number, because the mean of its divisors is an integer number (126180000).

Almost surely, 2^252359999 is an apocalyptic number.

252359999 is a deficient number, since it is larger than the sum of its proper divisors (1).

252359999 is an equidigital number, since it uses as much as digits as its factorization.

252359999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1968300, while the sum is 53.

The square root of 252359999 is about 15885.8427223739. The cubic root of 252359999 is about 631.9365948449.

The spelling of 252359999 in words is "two hundred fifty-two million, three hundred fifty-nine thousand, nine hundred ninety-nine".