252802149 has 4 divisors (see below), whose sum is σ = 337069536. Its totient is φ = 168534764.

The previous prime is 252802141. The next prime is 252802169. The reversal of 252802149 is 941208252.

252802149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 252802149 - 2³ = 252802141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252802141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42133689 + ... + 42133694.

It is an arithmetic number, because the mean of its divisors is an integer number (84267384).

Almost surely, 2^252802149 is an apocalyptic number.

It is an amenable number.

252802149 is a deficient number, since it is larger than the sum of its proper divisors (84267387).

252802149 is an equidigital number, since it uses as much as digits as its factorization.

252802149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84267386.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 252802149 is about 15899.7531112908. The cubic root of 252802149 is about 632.3054432408.

The spelling of 252802149 in words is "two hundred fifty-two million, eight hundred two thousand, one hundred forty-nine".