25863755 has 4 divisors (see below), whose sum is σ = 31036512. Its totient is φ = 20691000.

The previous prime is 25863751. The next prime is 25863781. The reversal of 25863755 is 55736852.

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

It is not a de Polignac number, because 25863755 - 2² = 25863751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25863751) 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, 2586371 + ... + 2586380.

It is an arithmetic number, because the mean of its divisors is an integer number (7759128).

Almost surely, 2^25863755 is an apocalyptic number.

25863755 is a deficient number, since it is larger than the sum of its proper divisors (5172757).

25863755 is an equidigital number, since it uses as much as digits as its factorization.

25863755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172756.

The product of its digits is 252000, while the sum is 41.

The square root of 25863755 is about 5085.6420440294. The cubic root of 25863755 is about 295.7312320187.

The spelling of 25863755 in words is "twenty-five million, eight hundred sixty-three thousand, seven hundred fifty-five".