252175901 has 2 divisors, whose sum is σ = 252175902. Its totient is φ = 252175900.

The previous prime is 252175877. The next prime is 252175907. The reversal of 252175901 is 109571252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155625625 + 96550276 = 12475^2 + 9826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252175901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252175907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126087950 + 126087951.

It is an arithmetic number, because the mean of its divisors is an integer number (126087951).

Almost surely, 2^252175901 is an apocalyptic number.

It is an amenable number.

252175901 is a deficient number, since it is larger than the sum of its proper divisors (1).

252175901 is an equidigital number, since it uses as much as digits as its factorization.

252175901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 252175901 is about 15880.0472606350. The cubic root of 252175901 is about 631.7828903949.

The spelling of 252175901 in words is "two hundred fifty-two million, one hundred seventy-five thousand, nine hundred one".