252104331409 has 4 divisors (see below), whose sum is σ = 288119235904. Its totient is φ = 216089426916.

The previous prime is 252104331383. The next prime is 252104331419. The reversal of 252104331409 is 904133401252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252104331409 - 2⁵ = 252104331377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252104331419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18007452237 + ... + 18007452250.

It is an arithmetic number, because the mean of its divisors is an integer number (72029808976).

Almost surely, 2^252104331409 is an apocalyptic number.

It is an amenable number.

252104331409 is a deficient number, since it is larger than the sum of its proper divisors (36014904495).

252104331409 is an equidigital number, since it uses as much as digits as its factorization.

252104331409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36014904494.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 252104331409 in words is "two hundred fifty-two billion, one hundred four million, three hundred thirty-one thousand, four hundred nine".