252057601 has 2 divisors, whose sum is σ = 252057602. Its totient is φ = 252057600.

The previous prime is 252057599. The next prime is 252057643. The reversal of 252057601 is 106750252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190026225 + 62031376 = 13785^2 + 7876^2 .

It is a cyclic number.

It is not a de Polignac number, because 252057601 - 2¹ = 252057599 is a prime.

Together with 252057599, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 252057601.

It is not a weakly prime, because it can be changed into another prime (252057671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126028800 + 126028801.

It is an arithmetic number, because the mean of its divisors is an integer number (126028801).

Almost surely, 2^252057601 is an apocalyptic number.

It is an amenable number.

252057601 is a deficient number, since it is larger than the sum of its proper divisors (1).

252057601 is an equidigital number, since it uses as much as digits as its factorization.

252057601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 252057601 is about 15876.3220236930. The cubic root of 252057601 is about 631.6840815794.

The spelling of 252057601 in words is "two hundred fifty-two million, fifty-seven thousand, six hundred one".