252531417 has 8 divisors (see below), whose sum is σ = 336804480. Its totient is φ = 168306320.

The previous prime is 252531407. The next prime is 252531437. The reversal of 252531417 is 714135252.

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 252531417 - 2⁷ = 252531289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252531407) 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, 2959 + ... + 22667.

It is an arithmetic number, because the mean of its divisors is an integer number (42100560).

Almost surely, 2^252531417 is an apocalyptic number.

It is an amenable number.

252531417 is a deficient number, since it is larger than the sum of its proper divisors (84273063).

252531417 is a wasteful number, since it uses less digits than its factorization.

252531417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23983.

The product of its digits is 8400, while the sum is 30.

The square root of 252531417 is about 15891.2371135793. The cubic root of 252531417 is about 632.0796454999.

Adding to 252531417 its reverse (714135252), we get a palindrome (966666669).

The spelling of 252531417 in words is "two hundred fifty-two million, five hundred thirty-one thousand, four hundred seventeen".