25604463 has 8 divisors (see below), whose sum is σ = 34172208. Its totient is φ = 17053184.

The previous prime is 25604437. The next prime is 25604471. The reversal of 25604463 is 36440652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25604463 - 2⁶ = 25604399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25604463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25604473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 7157.

It is an arithmetic number, because the mean of its divisors is an integer number (4271526).

Almost surely, 2^25604463 is an apocalyptic number.

25604463 is a deficient number, since it is larger than the sum of its proper divisors (8567745).

25604463 is a wasteful number, since it uses less digits than its factorization.

25604463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8233.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 25604463 is about 5060.0852759613. The cubic root of 25604463 is about 294.7396458050.

The spelling of 25604463 in words is "twenty-five million, six hundred four thousand, four hundred sixty-three".