25145023 has 12 divisors (see below), whose sum is σ = 26922672. Its totient is φ = 23479040.

The previous prime is 25145011. The next prime is 25145027. The reversal of 25145023 is 32054152.

It is not a de Polignac number, because 25145023 - 2⁵ = 25144991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25144985 and 25145003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25145027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48003 + ... + 48523.

It is an arithmetic number, because the mean of its divisors is an integer number (2243556).

Almost surely, 2^25145023 is an apocalyptic number.

25145023 is a deficient number, since it is larger than the sum of its proper divisors (1777649).

25145023 is a wasteful number, since it uses less digits than its factorization.

25145023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25145023 is about 5014.4813291107. The cubic root of 25145023 is about 292.9660838174.

Adding to 25145023 its reverse (32054152), we get a palindrome (57199175).

The spelling of 25145023 in words is "twenty-five million, one hundred forty-five thousand, twenty-three".