25751230321 has 8 divisors (see below), whose sum is σ = 26120888640. Its totient is φ = 25382986512.

The previous prime is 25751230283. The next prime is 25751230327. The reversal of 25751230321 is 12303215752.

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 25751230321 - 2⁹ = 25751229809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25751230327) 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, 316930 + ... + 389803.

It is an arithmetic number, because the mean of its divisors is an integer number (3265111080).

Almost surely, 2^25751230321 is an apocalyptic number.

It is an amenable number.

25751230321 is a deficient number, since it is larger than the sum of its proper divisors (369658319).

25751230321 is an equidigital number, since it uses as much as digits as its factorization.

25751230321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707255.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 25751230321 in words is "twenty-five billion, seven hundred fifty-one million, two hundred thirty thousand, three hundred twenty-one".