25230260621 has 8 divisors (see below), whose sum is σ = 25857315264. Its totient is φ = 24605038080.

The previous prime is 25230260617. The next prime is 25230260641. The reversal of 25230260621 is 12606203252.

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 25230260621 - 2² = 25230260617 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 (25230260641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430121 + ... + 485246.

It is an arithmetic number, because the mean of its divisors is an integer number (3232164408).

Almost surely, 2^25230260621 is an apocalyptic number.

It is an amenable number.

25230260621 is a deficient number, since it is larger than the sum of its proper divisors (627054643).

25230260621 is an equidigital number, since it uses as much as digits as its factorization.

25230260621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916051.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 25230260621 its reverse (12606203252), we get a palindrome (37836463873).

The spelling of 25230260621 in words is "twenty-five billion, two hundred thirty million, two hundred sixty thousand, six hundred twenty-one".