25995775 has 12 divisors (see below), whose sum is σ = 34714792. Its totient is φ = 19196640.

The previous prime is 25995769. The next prime is 25995787. The reversal of 25995775 is 57759952.

It is not a de Polignac number, because 25995775 - 2⁷ = 25995647 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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, 39669 + ... + 40318.

Almost surely, 2^25995775 is an apocalyptic number.

25995775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25995775 is a deficient number, since it is larger than the sum of its proper divisors (8719017).

25995775 is a wasteful number, since it uses less digits than its factorization.

25995775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80010 (or 80005 counting only the distinct ones).

The product of its digits is 992250, while the sum is 49.

The square root of 25995775 is about 5098.6052014252. The cubic root of 25995775 is about 296.2335591178.

Adding to 25995775 its product of digits (992250), we get a square (26988025 = 5195²).

The spelling of 25995775 in words is "twenty-five million, nine hundred ninety-five thousand, seven hundred seventy-five".