25676499 has 4 divisors (see below), whose sum is σ = 34235336. Its totient is φ = 17117664.

The previous prime is 25676489. The next prime is 25676503. The reversal of 25676499 is 99467652.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25676499 - 2⁸ = 25676243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25676449) 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, 4279414 + ... + 4279419.

It is an arithmetic number, because the mean of its divisors is an integer number (8558834).

Almost surely, 2^25676499 is an apocalyptic number.

25676499 is a deficient number, since it is larger than the sum of its proper divisors (8558837).

25676499 is an equidigital number, since it uses as much as digits as its factorization.

25676499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8558836.

The product of its digits is 816480, while the sum is 48.

The square root of 25676499 is about 5067.1983383325. The cubic root of 25676499 is about 295.0157953814.

The spelling of 25676499 in words is "twenty-five million, six hundred seventy-six thousand, four hundred ninety-nine".