25650079 has 24 divisors (see below), whose sum is σ = 32666928. Its totient is φ = 19958400.

The previous prime is 25650047. The next prime is 25650101. The reversal of 25650079 is 97005652.

It is not a de Polignac number, because 25650079 - 2⁵ = 25650047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25650029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42379 + ... + 42979.

It is an arithmetic number, because the mean of its divisors is an integer number (1361122).

Almost surely, 2^25650079 is an apocalyptic number.

25650079 is a deficient number, since it is larger than the sum of its proper divisors (7016849).

25650079 is a wasteful number, since it uses less digits than its factorization.

25650079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 25650079 is about 5064.5907040945. The cubic root of 25650079 is about 294.9145745181.

The spelling of 25650079 in words is "twenty-five million, six hundred fifty thousand, seventy-nine".