25105079 has 4 divisors (see below), whose sum is σ = 25717440. Its totient is φ = 24492720.

The previous prime is 25105063. The next prime is 25105111. The reversal of 25105079 is 97050152.

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 25105079 - 2⁴ = 25105063 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 (25105019) 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, 306119 + ... + 306200.

It is an arithmetic number, because the mean of its divisors is an integer number (6429360).

Almost surely, 2^25105079 is an apocalyptic number.

25105079 is a deficient number, since it is larger than the sum of its proper divisors (612361).

25105079 is an equidigital number, since it uses as much as digits as its factorization.

25105079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612360.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 25105079 is about 5010.4968815478. The cubic root of 25105079 is about 292.8108716675.

The spelling of 25105079 in words is "twenty-five million, one hundred five thousand, seventy-nine".