25793505 has 32 divisors (see below), whose sum is σ = 48556800. Its totient is φ = 12946176.

The previous prime is 25793503. The next prime is 25793531. The reversal of 25793505 is 50539752.

It is not a de Polignac number, because 25793505 - 2¹ = 25793503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25793505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25793501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3325 + ... + 7914.

It is an arithmetic number, because the mean of its divisors is an integer number (1517400).

Almost surely, 2^25793505 is an apocalyptic number.

It is an amenable number.

25793505 is a deficient number, since it is larger than the sum of its proper divisors (22763295).

25793505 is a wasteful number, since it uses less digits than its factorization.

25793505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270 (or 11264 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 25793505 is about 5078.7306484987. The cubic root of 25793505 is about 295.4632384891.

It can be divided in two parts, 2579 and 3505, that added together give a square (6084 = 78²).

The spelling of 25793505 in words is "twenty-five million, seven hundred ninety-three thousand, five hundred five".