25257828254 has 16 divisors (see below), whose sum is σ = 38307539088. Its totient is φ = 12488854272.

The previous prime is 25257828221. The next prime is 25257828269. The reversal of 25257828254 is 45282875252.

It is a super-3 number, since 3×25257828254³ (a number of 32 digits) contains 333 as substring.

It is a congruent 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, 198164 + ... + 299640.

It is an arithmetic number, because the mean of its divisors is an integer number (2394221193).

Almost surely, 2^25257828254 is an apocalyptic number.

25257828254 is a deficient number, since it is larger than the sum of its proper divisors (13049710834).

25257828254 is a wasteful number, since it uses less digits than its factorization.

25257828254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102859.

The product of its digits is 3584000, while the sum is 50.

The spelling of 25257828254 in words is "twenty-five billion, two hundred fifty-seven million, eight hundred twenty-eight thousand, two hundred fifty-four".