25878475 has 48 divisors (see below), whose sum is σ = 39719680. Its totient is φ = 16329600.

The previous prime is 25878443. The next prime is 25878491. The reversal of 25878475 is 57487852.

It is not a de Polignac number, because 25878475 - 2⁵ = 25878443 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142885 + ... + 143065.

Almost surely, 2^25878475 is an apocalyptic number.

25878475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25878475 is a deficient number, since it is larger than the sum of its proper divisors (13841205).

25878475 is a wasteful number, since it uses less digits than its factorization.

25878475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 255 counting only the distinct ones).

The product of its digits is 627200, while the sum is 46.

The square root of 25878475 is about 5087.0890497415. The cubic root of 25878475 is about 295.7873251646.

It can be divided in two parts, 2587847 and 5, that added together give a palindrome (2587852).

The spelling of 25878475 in words is "twenty-five million, eight hundred seventy-eight thousand, four hundred seventy-five".