25864755 has 32 divisors (see below), whose sum is σ = 47506944. Its totient is φ = 11771136.

The previous prime is 25864733. The next prime is 25864777. The reversal of 25864755 is 55746852.

It is an interprime number because it is at equal distance from previous prime (25864733) and next prime (25864777).

It is not a de Polignac number, because 25864755 - 2⁸ = 25864499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32472 + ... + 33258.

It is an arithmetic number, because the mean of its divisors is an integer number (1484592).

Almost surely, 2^25864755 is an apocalyptic number.

25864755 is a deficient number, since it is larger than the sum of its proper divisors (21642189).

25864755 is a wasteful number, since it uses less digits than its factorization.

25864755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115.

The product of its digits is 336000, while the sum is 42.

The square root of 25864755 is about 5085.7403590824. The cubic root of 25864755 is about 295.7350433681.

The spelling of 25864755 in words is "twenty-five million, eight hundred sixty-four thousand, seven hundred fifty-five".