25904963 has 16 divisors (see below), whose sum is σ = 30666240. Its totient is φ = 21422016.

The previous prime is 25904959. The next prime is 25904987. The reversal of 25904963 is 36940952.

It is not a de Polignac number, because 25904963 - 2² = 25904959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25904993) 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, 26306 + ... + 27272.

It is an arithmetic number, because the mean of its divisors is an integer number (1916640).

Almost surely, 2^25904963 is an apocalyptic number.

25904963 is a deficient number, since it is larger than the sum of its proper divisors (4761277).

25904963 is an equidigital number, since it uses as much as digits as its factorization.

25904963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 25904963 is about 5089.6918374298. The cubic root of 25904963 is about 295.8882087892. Note that the first 3 decimals are identical.

The spelling of 25904963 in words is "twenty-five million, nine hundred four thousand, nine hundred sixty-three".