25930605 has 16 divisors (see below), whose sum is σ = 42372864. Its totient is φ = 13535040.

The previous prime is 25930579. The next prime is 25930609. The reversal of 25930605 is 50603952.

It is not a de Polignac number, because 25930605 - 2⁸ = 25930349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25930609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17686 + ... + 19095.

It is an arithmetic number, because the mean of its divisors is an integer number (2648304).

Almost surely, 2^25930605 is an apocalyptic number.

It is an amenable number.

25930605 is a deficient number, since it is larger than the sum of its proper divisors (16442259).

25930605 is a wasteful number, since it uses less digits than its factorization.

25930605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36836.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 25930605 is about 5092.2102273964. The cubic root of 25930605 is about 295.9858048038.

The spelling of 25930605 in words is "twenty-five million, nine hundred thirty thousand, six hundred five".