252509546899 has 2 divisors, whose sum is σ = 252509546900. Its totient is φ = 252509546898.

The previous prime is 252509546867. The next prime is 252509546921. The reversal of 252509546899 is 998645905252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252509546899 - 2⁵ = 252509546867 is a prime.

It is a super-2 number, since 2×252509546899² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252509546899.

It is not a weakly prime, because it can be changed into another prime (252509586899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126254773449 + 126254773450.

It is an arithmetic number, because the mean of its divisors is an integer number (126254773450).

Almost surely, 2^252509546899 is an apocalyptic number.

252509546899 is a deficient number, since it is larger than the sum of its proper divisors (1).

252509546899 is an equidigital number, since it uses as much as digits as its factorization.

252509546899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984000, while the sum is 64.

The spelling of 252509546899 in words is "two hundred fifty-two billion, five hundred nine million, five hundred forty-six thousand, eight hundred ninety-nine".