25873887 has 16 divisors (see below), whose sum is σ = 38435040. Its totient is φ = 15372672.

The previous prime is 25873879. The next prime is 25873889. The reversal of 25873887 is 78837852.

It is not a de Polignac number, because 25873887 - 2³ = 25873879 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25873889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10308 + ... + 12569.

It is an arithmetic number, because the mean of its divisors is an integer number (2402190).

Almost surely, 2^25873887 is an apocalyptic number.

25873887 is a deficient number, since it is larger than the sum of its proper divisors (12561153).

25873887 is a wasteful number, since it uses less digits than its factorization.

25873887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22922.

The product of its digits is 752640, while the sum is 48.

The square root of 25873887 is about 5086.6380842360. The cubic root of 25873887 is about 295.7698440668.

The spelling of 25873887 in words is "twenty-five million, eight hundred seventy-three thousand, eight hundred eighty-seven".