252509169 has 8 divisors (see below), whose sum is σ = 367286112. Its totient is φ = 153035840.

The previous prime is 252509149. The next prime is 252509171. The reversal of 252509169 is 961905252.

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 252509169 - 2⁸ = 252508913 is a prime.

It is a super-2 number, since 2×252509169² = 127521760858141122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252509149) 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, 3825864 + ... + 3825929.

It is an arithmetic number, because the mean of its divisors is an integer number (45910764).

Almost surely, 2^252509169 is an apocalyptic number.

It is an amenable number.

252509169 is a deficient number, since it is larger than the sum of its proper divisors (114776943).

252509169 is a wasteful number, since it uses less digits than its factorization.

252509169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7651807.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 252509169 is about 15890.5370897273. The cubic root of 252509169 is about 632.0610828973.

The spelling of 252509169 in words is "two hundred fifty-two million, five hundred nine thousand, one hundred sixty-nine".