25479299 has 2 divisors, whose sum is σ = 25479300. Its totient is φ = 25479298.

The previous prime is 25479283. The next prime is 25479329. The reversal of 25479299 is 99297452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25479299 - 2⁴ = 25479283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25479269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12739649 + 12739650.

It is an arithmetic number, because the mean of its divisors is an integer number (12739650).

Almost surely, 2^25479299 is an apocalyptic number.

25479299 is a deficient number, since it is larger than the sum of its proper divisors (1).

25479299 is an equidigital number, since it uses as much as digits as its factorization.

25479299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408240, while the sum is 47.

The square root of 25479299 is about 5047.7023485939. The cubic root of 25479299 is about 294.2585959620.

The spelling of 25479299 in words is "twenty-five million, four hundred seventy-nine thousand, two hundred ninety-nine".