25204023 has 24 divisors (see below), whose sum is σ = 40476800. Its totient is φ = 15007680.

The previous prime is 25204009. The next prime is 25204043. The reversal of 25204023 is 32040252.

It is not a de Polignac number, because 25204023 - 2¹⁰ = 25202999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25203987 and 25204005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25204043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153 + ... + 7101.

Almost surely, 2^25204023 is an apocalyptic number.

25204023 is a deficient number, since it is larger than the sum of its proper divisors (15272777).

25204023 is a wasteful number, since it uses less digits than its factorization.

25204023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6999 (or 6996 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 25204023 is about 5020.3608436048. The cubic root of 25204023 is about 293.1950422801.

Adding to 25204023 its reverse (32040252), we get a palindrome (57244275).

It can be divided in two parts, 2 and 5204023, that added together give a palindrome (5204025).

The spelling of 25204023 in words is "twenty-five million, two hundred four thousand, twenty-three".