252752169 has 8 divisors (see below), whose sum is σ = 337076640. Its totient is φ = 168464576.

The previous prime is 252752161. The next prime is 252752173. The reversal of 252752169 is 961257252.

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 252752169 - 2³ = 252752161 is a prime.

It is a super-2 number, since 2×252752169² = 127767317868409122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252752161) 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, 20074 + ... + 30140.

It is an arithmetic number, because the mean of its divisors is an integer number (42134580).

Almost surely, 2^252752169 is an apocalyptic number.

It is an amenable number.

252752169 is a deficient number, since it is larger than the sum of its proper divisors (84324471).

252752169 is a wasteful number, since it uses less digits than its factorization.

252752169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18439.

The product of its digits is 75600, while the sum is 39.

The square root of 252752169 is about 15898.1813110808. The cubic root of 252752169 is about 632.2637707194.

The spelling of 252752169 in words is "two hundred fifty-two million, seven hundred fifty-two thousand, one hundred sixty-nine".