25392328417 has 8 divisors (see below), whose sum is σ = 26498131200. Its totient is φ = 24286674720.

The previous prime is 25392328393. The next prime is 25392328421. The reversal of 25392328417 is 71482329352.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25392328417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25392328447) 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, 442117 + ... + 496237.

It is an arithmetic number, because the mean of its divisors is an integer number (3312266400).

Almost surely, 2^25392328417 is an apocalyptic number.

It is an amenable number.

25392328417 is a deficient number, since it is larger than the sum of its proper divisors (1105802783).

25392328417 is a wasteful number, since it uses less digits than its factorization.

25392328417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74543.

The product of its digits is 725760, while the sum is 46.

The spelling of 25392328417 in words is "twenty-five billion, three hundred ninety-two million, three hundred twenty-eight thousand, four hundred seventeen".