25850352025 has 12 divisors (see below), whose sum is σ = 32354014032. Its totient is φ = 20487005840.

The previous prime is 25850352019. The next prime is 25850352049. The reversal of 25850352025 is 52025305852.

It is not a de Polignac number, because 25850352025 - 2⁵ = 25850351993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4829167 + ... + 4834516.

It is an arithmetic number, because the mean of its divisors is an integer number (2696167836).

Almost surely, 2^25850352025 is an apocalyptic number.

25850352025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25850352025 is a deficient number, since it is larger than the sum of its proper divisors (6503662007).

25850352025 is a wasteful number, since it uses less digits than its factorization.

25850352025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663800 (or 9663795 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 25850352025 its reverse (52025305852), we get a palindrome (77875657877).

The spelling of 25850352025 in words is "twenty-five billion, eight hundred fifty million, three hundred fifty-two thousand, twenty-five".