25532423 has 4 divisors (see below), whose sum is σ = 29179920. Its totient is φ = 21884928.

The previous prime is 25532413. The next prime is 25532431. The reversal of 25532423 is 32423552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25532423 - 2⁶ = 25532359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25532392 and 25532401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1823738 + ... + 1823751.

It is an arithmetic number, because the mean of its divisors is an integer number (7294980).

Almost surely, 2^25532423 is an apocalyptic number.

25532423 is a deficient number, since it is larger than the sum of its proper divisors (3647497).

25532423 is an equidigital number, since it uses as much as digits as its factorization.

25532423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647496.

The product of its digits is 7200, while the sum is 26.

The square root of 25532423 is about 5052.9618047240. The cubic root of 25532423 is about 294.4629624154.

Adding to 25532423 its reverse (32423552), we get a palindrome (57955975).

The spelling of 25532423 in words is "twenty-five million, five hundred thirty-two thousand, four hundred twenty-three".