25874887 has 4 divisors (see below), whose sum is σ = 26131176. Its totient is φ = 25618600.

The previous prime is 25874879. The next prime is 25874909. The reversal of 25874887 is 78847852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25874887 - 2³ = 25874879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25874887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25874587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127993 + ... + 128194.

It is an arithmetic number, because the mean of its divisors is an integer number (6532794).

Almost surely, 2^25874887 is an apocalyptic number.

25874887 is a deficient number, since it is larger than the sum of its proper divisors (256289).

25874887 is a wasteful number, since it uses less digits than its factorization.

25874887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256288.

The product of its digits is 1003520, while the sum is 49.

The square root of 25874887 is about 5086.7363800378. The cubic root of 25874887 is about 295.7736544212.

The spelling of 25874887 in words is "twenty-five million, eight hundred seventy-four thousand, eight hundred eighty-seven".