25204623 has 16 divisors (see below), whose sum is σ = 34431360. Its totient is φ = 16394976.

The previous prime is 25204607. The next prime is 25204633. The reversal of 25204623 is 32640252.

It is not a de Polignac number, because 25204623 - 2⁴ = 25204607 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25204593 and 25204602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25204633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27336 + ... + 28242.

It is an arithmetic number, because the mean of its divisors is an integer number (2151960).

Almost surely, 2^25204623 is an apocalyptic number.

25204623 is a deficient number, since it is larger than the sum of its proper divisors (9226737).

25204623 is a wasteful number, since it uses less digits than its factorization.

25204623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 25204623 is about 5020.4205999099. The cubic root of 25204623 is about 293.1973688350.

Adding to 25204623 its reverse (32640252), we get a palindrome (57844875).

The spelling of 25204623 in words is "twenty-five million, two hundred four thousand, six hundred twenty-three".