25452523 has 4 divisors (see below), whose sum is σ = 25467160. Its totient is φ = 25437888.

The previous prime is 25452491. The next prime is 25452527. The reversal of 25452523 is 32525452.

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 25452523 - 2⁵ = 25452491 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25452491 and 25452500.

It is not an unprimeable number, because it can be changed into a prime (25452527) 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, 4293 + ... + 8326.

It is an arithmetic number, because the mean of its divisors is an integer number (6366790).

Almost surely, 2^25452523 is an apocalyptic number.

25452523 is a deficient number, since it is larger than the sum of its proper divisors (14637).

25452523 is a wasteful number, since it uses less digits than its factorization.

25452523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14636.

The product of its digits is 12000, while the sum is 28.

The square root of 25452523 is about 5045.0493555564. The cubic root of 25452523 is about 294.1554817987.

Adding to 25452523 its reverse (32525452), we get a palindrome (57977975).

The spelling of 25452523 in words is "twenty-five million, four hundred fifty-two thousand, five hundred twenty-three".