252575997 has 8 divisors (see below), whose sum is σ = 341794656. Its totient is φ = 165870672.

The previous prime is 252575971. The next prime is 252576011. The reversal of 252575997 is 799575252.

252575997 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 not a de Polignac number, because 252575997 - 2²⁰ = 251527421 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252575957) 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, 628098 + ... + 628499.

It is an arithmetic number, because the mean of its divisors is an integer number (42724332).

Almost surely, 2^252575997 is an apocalyptic number.

It is an amenable number.

252575997 is a deficient number, since it is larger than the sum of its proper divisors (89218659).

252575997 is a wasteful number, since it uses less digits than its factorization.

252575997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256667.

The product of its digits is 1984500, while the sum is 51.

The square root of 252575997 is about 15892.6397115143. The cubic root of 252575997 is about 632.1168375094.

The spelling of 252575997 in words is "two hundred fifty-two million, five hundred seventy-five thousand, nine hundred ninety-seven".