25606323 has 6 divisors (see below), whose sum is σ = 36986924. Its totient is φ = 17070876.

The previous prime is 25606313. The next prime is 25606381. The reversal of 25606323 is 32360652.

25606323 is a `hidden beast` number, since 25 + 6 + 0 + 632 + 3 = 666.

It is not a de Polignac number, because 25606323 - 2⁴ = 25606307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25606313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1422565 + ... + 1422582.

Almost surely, 2^25606323 is an apocalyptic number.

25606323 is a deficient number, since it is larger than the sum of its proper divisors (11380601).

25606323 is a wasteful number, since it uses less digits than its factorization.

25606323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845153 (or 2845150 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 25606323 is about 5060.2690639925. The cubic root of 25606323 is about 294.7467826137.

Adding to 25606323 its reverse (32360652), we get a palindrome (57966975).

The spelling of 25606323 in words is "twenty-five million, six hundred six thousand, three hundred twenty-three".