252101899 has 16 divisors (see below), whose sum is σ = 305313280. Its totient is φ = 203342400.

The previous prime is 252101869. The next prime is 252101909. The reversal of 252101899 is 998101252.

It is a cyclic number.

It is not a de Polignac number, because 252101899 - 2¹⁷ = 251970827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252101809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13807 + ... + 26359.

It is an arithmetic number, because the mean of its divisors is an integer number (19082080).

Almost surely, 2^252101899 is an apocalyptic number.

252101899 is a deficient number, since it is larger than the sum of its proper divisors (53211381).

252101899 is a wasteful number, since it uses less digits than its factorization.

252101899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12730.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 252101899 is about 15877.7170588218. The cubic root of 252101899 is about 631.7210846324.

The spelling of 252101899 in words is "two hundred fifty-two million, one hundred one thousand, eight hundred ninety-nine".