252199117 has 4 divisors (see below), whose sum is σ = 263164320. Its totient is φ = 241233916.

The previous prime is 252199111. The next prime is 252199139. The reversal of 252199117 is 711991252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252199117 - 2¹⁵ = 252166349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252199111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482567 + ... + 5482612.

It is an arithmetic number, because the mean of its divisors is an integer number (65791080).

Almost surely, 2^252199117 is an apocalyptic number.

It is an amenable number.

252199117 is a deficient number, since it is larger than the sum of its proper divisors (10965203).

252199117 is a wasteful number, since it uses less digits than its factorization.

252199117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10965202.

The product of its digits is 11340, while the sum is 37.

The square root of 252199117 is about 15880.7782240040. The cubic root of 252199117 is about 631.8022776843.

The spelling of 252199117 in words is "two hundred fifty-two million, one hundred ninety-nine thousand, one hundred seventeen".