252049072897 has 4 divisors (see below), whose sum is σ = 254279595780. Its totient is φ = 249818550016.

The previous prime is 252049072879. The next prime is 252049072909. The reversal of 252049072897 is 798270940252.

252049072897 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.

It can be written as a sum of positive squares in 2 ways, for example, as 124577937936 + 127471134961 = 352956^2 + 357031^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252049072897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252049072397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115261272 + ... + 1115261497.

It is an arithmetic number, because the mean of its divisors is an integer number (63569898945).

Almost surely, 2^252049072897 is an apocalyptic number.

It is an amenable number.

252049072897 is a deficient number, since it is larger than the sum of its proper divisors (2230522883).

252049072897 is a wasteful number, since it uses less digits than its factorization.

252049072897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230522882.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 252049072897 in words is "two hundred fifty-two billion, forty-nine million, seventy-two thousand, eight hundred ninety-seven".