252497913 has 8 divisors (see below), whose sum is σ = 337255776. Its totient is φ = 168036000.

The previous prime is 252497909. The next prime is 252497929. The reversal of 252497913 is 319794252.

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

It is not a de Polignac number, because 252497913 - 2² = 252497909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252497963) 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, 71988 + ... + 75413.

It is an arithmetic number, because the mean of its divisors is an integer number (42156972).

Almost surely, 2^252497913 is an apocalyptic number.

It is an amenable number.

252497913 is a deficient number, since it is larger than the sum of its proper divisors (84757863).

252497913 is a wasteful number, since it uses less digits than its factorization.

252497913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147975.

The product of its digits is 136080, while the sum is 42.

The square root of 252497913 is about 15890.1829127295. The cubic root of 252497913 is about 632.0516910466.

The spelling of 252497913 in words is "two hundred fifty-two million, four hundred ninety-seven thousand, nine hundred thirteen".