25560323 has 2 divisors, whose sum is σ = 25560324. Its totient is φ = 25560322.

The previous prime is 25560319. The next prime is 25560331. The reversal of 25560323 is 32306552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25560323 - 2² = 25560319 is a prime.

It is a super-2 number, since 2×25560323² = 1306660223728658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 25560292 and 25560301.

It is not a weakly prime, because it can be changed into another prime (25560313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12780161 + 12780162.

It is an arithmetic number, because the mean of its divisors is an integer number (12780162).

Almost surely, 2^25560323 is an apocalyptic number.

25560323 is a deficient number, since it is larger than the sum of its proper divisors (1).

25560323 is an equidigital number, since it uses as much as digits as its factorization.

25560323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 25560323 is about 5055.7218080112. The cubic root of 25560323 is about 294.5701793714.

Adding to 25560323 its reverse (32306552), we get a palindrome (57866875).

The spelling of 25560323 in words is "twenty-five million, five hundred sixty thousand, three hundred twenty-three".