25316479 has 4 divisors (see below), whose sum is σ = 25331080. Its totient is φ = 25301880.

The previous prime is 25316471. The next prime is 25316483. The reversal of 25316479 is 97461352.

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 25316479 - 2³ = 25316471 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 (25316471) 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, 4284 + ... + 8305.

It is an arithmetic number, because the mean of its divisors is an integer number (6332770).

Almost surely, 2^25316479 is an apocalyptic number.

25316479 is a deficient number, since it is larger than the sum of its proper divisors (14601).

25316479 is a wasteful number, since it uses less digits than its factorization.

25316479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14600.

The product of its digits is 45360, while the sum is 37.

The square root of 25316479 is about 5031.5483700348. The cubic root of 25316479 is about 293.6304572281.

The spelling of 25316479 in words is "twenty-five million, three hundred sixteen thousand, four hundred seventy-nine".