252601108509 has 8 divisors (see below), whose sum is σ = 336942467680. Its totient is φ = 168330244176.

The previous prime is 252601108489. The next prime is 252601108517. The reversal of 252601108509 is 905801106252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252601108509 - 2¹⁶ = 252601042973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252601108549) 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, 17615347 + ... + 17629680.

It is an arithmetic number, because the mean of its divisors is an integer number (42117808460).

Almost surely, 2^252601108509 is an apocalyptic number.

It is an amenable number.

252601108509 is a deficient number, since it is larger than the sum of its proper divisors (84341359171).

252601108509 is a wasteful number, since it uses less digits than its factorization.

252601108509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35247419.

The product of its (nonzero) digits is 43200, while the sum is 39.

The spelling of 252601108509 in words is "two hundred fifty-two billion, six hundred one million, one hundred eight thousand, five hundred nine".