25864955 has 12 divisors (see below), whose sum is σ = 32150352. Its totient is φ = 19975200.

The previous prime is 25864933. The next prime is 25864957. The reversal of 25864955 is 55946852.

It is a de Polignac number, because none of the positive numbers 2^k-25864955 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25864957) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130 + ... + 7280.

It is an arithmetic number, because the mean of its divisors is an integer number (2679196).

Almost surely, 2^25864955 is an apocalyptic number.

25864955 is a deficient number, since it is larger than the sum of its proper divisors (6285397).

25864955 is an equidigital number, since it uses as much as digits as its factorization.

25864955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6214 (or 6185 counting only the distinct ones).

The product of its digits is 432000, while the sum is 44.

The square root of 25864955 is about 5085.7600218650. The cubic root of 25864955 is about 295.7358056262.

The spelling of 25864955 in words is "twenty-five million, eight hundred sixty-four thousand, nine hundred fifty-five".