25867255 has 12 divisors (see below), whose sum is σ = 31910760. Its totient is φ = 20129184.

The previous prime is 25867243. The next prime is 25867267. The reversal of 25867255 is 55276852.

It is an interprime number because it is at equal distance from previous prime (25867243) and next prime (25867267).

It is not a de Polignac number, because 25867255 - 2⁵ = 25867223 is a prime.

It is a super-2 number, since 2×25867255² = 1338229762470050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4956 + ... + 8734.

It is an arithmetic number, because the mean of its divisors is an integer number (2659230).

Almost surely, 2^25867255 is an apocalyptic number.

25867255 is a deficient number, since it is larger than the sum of its proper divisors (6043505).

25867255 is an equidigital number, since it uses as much as digits as its factorization.

25867255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858 (or 3821 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 25867255 is about 5085.9861384003. The cubic root of 25867255 is about 295.7445713118.

The spelling of 25867255 in words is "twenty-five million, eight hundred sixty-seven thousand, two hundred fifty-five".