252117265 has 16 divisors (see below), whose sum is σ = 312952320. Its totient is φ = 194780160.

The previous prime is 252117263. The next prime is 252117277. The reversal of 252117265 is 562711252.

It is not a de Polignac number, because 252117265 - 2¹ = 252117263 is a prime.

It is a super-2 number, since 2×252117265² = 127126230622160450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (252117263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88026 + ... + 90844.

It is an arithmetic number, because the mean of its divisors is an integer number (19559520).

Almost surely, 2^252117265 is an apocalyptic number.

It is an amenable number.

252117265 is a deficient number, since it is larger than the sum of its proper divisors (60835055).

252117265 is a wasteful number, since it uses less digits than its factorization.

252117265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432.

The product of its digits is 8400, while the sum is 31.

The square root of 252117265 is about 15878.2009371339. The cubic root of 252117265 is about 631.7339191635.

The spelling of 252117265 in words is "two hundred fifty-two million, one hundred seventeen thousand, two hundred sixty-five".