25488427 has 4 divisors (see below), whose sum is σ = 25498576. Its totient is φ = 25478280.

The previous prime is 25488409. The next prime is 25488431. The reversal of 25488427 is 72488452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25488427 - 2⁷ = 25488299 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 25488427.

It is not an unprimeable number, because it can be changed into a prime (25488467) 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, 1777 + ... + 7357.

It is an arithmetic number, because the mean of its divisors is an integer number (6374644).

Almost surely, 2^25488427 is an apocalyptic number.

25488427 is a deficient number, since it is larger than the sum of its proper divisors (10149).

25488427 is an equidigital number, since it uses as much as digits as its factorization.

25488427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10148.

The product of its digits is 143360, while the sum is 40.

The square root of 25488427 is about 5048.6064413856. The cubic root of 25488427 is about 294.2937313056.

The spelling of 25488427 in words is "twenty-five million, four hundred eighty-eight thousand, four hundred twenty-seven".