25825305 has 32 divisors (see below), whose sum is σ = 45318528. Its totient is φ = 12454400.

The previous prime is 25825279. The next prime is 25825309. The reversal of 25825305 is 50352852.

It is not a de Polignac number, because 25825305 - 2⁸ = 25825049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25825309) 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, 46087 + ... + 46643.

It is an arithmetic number, because the mean of its divisors is an integer number (1416204).

Almost surely, 2^25825305 is an apocalyptic number.

It is an amenable number.

25825305 is a deficient number, since it is larger than the sum of its proper divisors (19493223).

25825305 is a wasteful number, since it uses less digits than its factorization.

25825305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 25825305 is about 5081.8603876927. The cubic root of 25825305 is about 295.5846110645.

It can be divided in two parts, 2582 and 5305, that added together give a palindrome (7887).

The spelling of 25825305 in words is "twenty-five million, eight hundred twenty-five thousand, three hundred five".