252549629 has 2 divisors, whose sum is σ = 252549630. Its totient is φ = 252549628.

The previous prime is 252549623. The next prime is 252549667. The reversal of 252549629 is 926945252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195244729 + 57304900 = 13973^2 + 7570^2 .

It is a cyclic number.

It is not a de Polignac number, because 252549629 - 2⁴ = 252549613 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252549629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252549623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126274814 + 126274815.

It is an arithmetic number, because the mean of its divisors is an integer number (126274815).

Almost surely, 2^252549629 is an apocalyptic number.

It is an amenable number.

252549629 is a deficient number, since it is larger than the sum of its proper divisors (1).

252549629 is an equidigital number, since it uses as much as digits as its factorization.

252549629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 44.

The square root of 252549629 is about 15891.8101234567. The cubic root of 252549629 is about 632.0948398572.

The spelling of 252549629 in words is "two hundred fifty-two million, five hundred forty-nine thousand, six hundred twenty-nine".