25041887 has 4 divisors (see below), whose sum is σ = 26968200. Its totient is φ = 23115576.

The previous prime is 25041883. The next prime is 25041889. The reversal of 25041887 is 78814052.

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 25041887 - 2² = 25041883 is a prime.

It is a super-2 number, since 2×25041887² = 1254192209041538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25041883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963137 + ... + 963162.

It is an arithmetic number, because the mean of its divisors is an integer number (6742050).

Almost surely, 2^25041887 is an apocalyptic number.

25041887 is a deficient number, since it is larger than the sum of its proper divisors (1926313).

25041887 is a wasteful number, since it uses less digits than its factorization.

25041887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926312.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 25041887 is about 5004.1869469475. The cubic root of 25041887 is about 292.5649871430.

The spelling of 25041887 in words is "twenty-five million, forty-one thousand, eight hundred eighty-seven".