25425345306 has 16 divisors (see below), whose sum is σ = 51494371200. Its totient is φ = 8367835008.

The previous prime is 25425345289. The next prime is 25425345313. The reversal of 25425345306 is 60354352452.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26819511 + ... + 26820458.

It is an arithmetic number, because the mean of its divisors is an integer number (3218398200).

Almost surely, 2^25425345306 is an apocalyptic number.

25425345306 is an abundant number, since it is smaller than the sum of its proper divisors (26069025894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25425345306 is a wasteful number, since it uses less digits than its factorization.

25425345306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53640053.

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 25425345306 its reverse (60354352452), we get a palindrome (85779697758).

The spelling of 25425345306 in words is "twenty-five billion, four hundred twenty-five million, three hundred forty-five thousand, three hundred six".