252680049 has 6 divisors (see below), whose sum is σ = 364982306. Its totient is φ = 168453360.

The previous prime is 252679979. The next prime is 252680063. The reversal of 252680049 is 940086252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140849424 + 111830625 = 11868^2 + 10575^2 .

It is not a de Polignac number, because 252680049 - 2⁸ = 252679793 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252679995 and 252680022.

It is not an unprimeable number, because it can be changed into a prime (252681049) 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 5 ways as a sum of consecutive naturals, for example, 14037772 + ... + 14037789.

Almost surely, 2^252680049 is an apocalyptic number.

It is an amenable number.

252680049 is a deficient number, since it is larger than the sum of its proper divisors (112302257).

252680049 is a wasteful number, since it uses less digits than its factorization.

252680049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28075567 (or 28075564 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 252680049 is about 15895.9129652876. The cubic root of 252680049 is about 632.2036285374.

Adding to 252680049 its product of nonzero digits (34560), we get a square (252714609 = 15897²).

The spelling of 252680049 in words is "two hundred fifty-two million, six hundred eighty thousand, forty-nine".