252525217 has 8 divisors (see below), whose sum is σ = 288880256. Its totient is φ = 216240192.

The previous prime is 252525199. The next prime is 252525223. The reversal of 252525217 is 712525252.

252525217 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 a de Polignac number, because none of the positive numbers 2^k-252525217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252525817) 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, 9528 + ... + 24409.

It is an arithmetic number, because the mean of its divisors is an integer number (36110032).

Almost surely, 2^252525217 is an apocalyptic number.

It is an amenable number.

252525217 is a deficient number, since it is larger than the sum of its proper divisors (36355039).

252525217 is a wasteful number, since it uses less digits than its factorization.

252525217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35007.

The product of its digits is 14000, while the sum is 31.

The square root of 252525217 is about 15891.0420363172. The cubic root of 252525217 is about 632.0744726440.

The spelling of 252525217 in words is "two hundred fifty-two million, five hundred twenty-five thousand, two hundred seventeen".