252802997 has 4 divisors (see below), whose sum is σ = 254264460. Its totient is φ = 251341536.

The previous prime is 252802973. The next prime is 252803017. The reversal of 252802997 is 799208252.

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 243796996 + 9006001 = 15614^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 252802997 - 2¹² = 252798901 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 (252802397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730472 + ... + 730817.

It is an arithmetic number, because the mean of its divisors is an integer number (63566115).

Almost surely, 2^252802997 is an apocalyptic number.

It is an amenable number.

252802997 is a deficient number, since it is larger than the sum of its proper divisors (1461463).

252802997 is a wasteful number, since it uses less digits than its factorization.

252802997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461462.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 252802997 is about 15899.7797783491. The cubic root of 252802997 is about 632.3061502422.

The spelling of 252802997 in words is "two hundred fifty-two million, eight hundred two thousand, nine hundred ninety-seven".