252693601 has 2 divisors, whose sum is σ = 252693602. Its totient is φ = 252693600.

The previous prime is 252693599. The next prime is 252693607. The reversal of 252693601 is 106396252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164352400 + 88341201 = 12820^2 + 9399^2 .

It is a cyclic number.

It is not a de Polignac number, because 252693601 - 2¹ = 252693599 is a prime.

Together with 252693599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (252693607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126346800 + 126346801.

It is an arithmetic number, because the mean of its divisors is an integer number (126346801).

Almost surely, 2^252693601 is an apocalyptic number.

It is an amenable number.

252693601 is a deficient number, since it is larger than the sum of its proper divisors (1).

252693601 is an equidigital number, since it uses as much as digits as its factorization.

252693601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 252693601 is about 15896.3392326661. The cubic root of 252693601 is about 632.2149306702.

The spelling of 252693601 in words is "two hundred fifty-two million, six hundred ninety-three thousand, six hundred one".