25548379 has 4 divisors (see below), whose sum is σ = 25569576. Its totient is φ = 25527184.

The previous prime is 25548361. The next prime is 25548409. The reversal of 25548379 is 97384552.

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 25548379 - 2⁹ = 25547867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25548329) 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, 8674 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (6392394).

Almost surely, 2^25548379 is an apocalyptic number.

25548379 is a deficient number, since it is larger than the sum of its proper divisors (21197).

25548379 is a wasteful number, since it uses less digits than its factorization.

25548379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196.

The product of its digits is 302400, while the sum is 43.

The square root of 25548379 is about 5054.5404341048. The cubic root of 25548379 is about 294.5242893098.

The spelling of 25548379 in words is "twenty-five million, five hundred forty-eight thousand, three hundred seventy-nine".