25604623 has 8 divisors (see below), whose sum is σ = 28614096. Its totient is φ = 22708800.

The previous prime is 25604599. The next prime is 25604633. The reversal of 25604623 is 32640652.

It is a happy number.

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 25604623 - 2¹⁷ = 25473551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25604591 and 25604600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25604633) 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, 27936 + ... + 28837.

It is an arithmetic number, because the mean of its divisors is an integer number (3576762).

Almost surely, 2^25604623 is an apocalyptic number.

25604623 is a deficient number, since it is larger than the sum of its proper divisors (3009473).

25604623 is a wasteful number, since it uses less digits than its factorization.

25604623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56825.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 25604623 is about 5060.1010859468. The cubic root of 25604623 is about 294.7402597376.

The spelling of 25604623 in words is "twenty-five million, six hundred four thousand, six hundred twenty-three".