252714661 has 2 divisors, whose sum is σ = 252714662. Its totient is φ = 252714660.

The previous prime is 252714617. The next prime is 252714667. The reversal of 252714661 is 166417252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245392225 + 7322436 = 15665^2 + 2706^2 .

It is a cyclic number.

It is not a de Polignac number, because 252714661 - 2¹⁹ = 252190373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252714667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126357330 + 126357331.

It is an arithmetic number, because the mean of its divisors is an integer number (126357331).

Almost surely, 2^252714661 is an apocalyptic number.

It is an amenable number.

252714661 is a deficient number, since it is larger than the sum of its proper divisors (1).

252714661 is an equidigital number, since it uses as much as digits as its factorization.

252714661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 252714661 is about 15897.0016355286. The cubic root of 252714661 is about 632.2324935428.

The spelling of 252714661 in words is "two hundred fifty-two million, seven hundred fourteen thousand, six hundred sixty-one".