252801257 has 8 divisors (see below), whose sum is σ = 269928384. Its totient is φ = 236185488.

The previous prime is 252801229. The next prime is 252801259. The reversal of 252801257 is 752108252.

It is a happy number.

252801257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252801257 - 2²⁶ = 185692393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252801259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126818 + ... + 128795.

It is an arithmetic number, because the mean of its divisors is an integer number (33741048).

Almost surely, 2^252801257 is an apocalyptic number.

It is an amenable number.

252801257 is a deficient number, since it is larger than the sum of its proper divisors (17127127).

252801257 is a wasteful number, since it uses less digits than its factorization.

252801257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255679.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 252801257 is about 15899.7250605160. The cubic root of 252801257 is about 632.3046995537.

The spelling of 252801257 in words is "two hundred fifty-two million, eight hundred one thousand, two hundred fifty-seven".