25367479 has 4 divisors (see below), whose sum is σ = 25986240. Its totient is φ = 24748720.

The previous prime is 25367471. The next prime is 25367491. The reversal of 25367479 is 97476352.

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 25367479 - 2³ = 25367471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25367471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309319 + ... + 309400.

It is an arithmetic number, because the mean of its divisors is an integer number (6496560).

Almost surely, 2^25367479 is an apocalyptic number.

25367479 is a deficient number, since it is larger than the sum of its proper divisors (618761).

25367479 is an equidigital number, since it uses as much as digits as its factorization.

25367479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618760.

The product of its digits is 317520, while the sum is 43.

The square root of 25367479 is about 5036.6138426526. The cubic root of 25367479 is about 293.8274976453.

The spelling of 25367479 in words is "twenty-five million, three hundred sixty-seven thousand, four hundred seventy-nine".