25079135 has 4 divisors (see below), whose sum is σ = 30094968. Its totient is φ = 20063304.

The previous prime is 25079111. The next prime is 25079141. The reversal of 25079135 is 53197052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25079135 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2507909 + ... + 2507918.

It is an arithmetic number, because the mean of its divisors is an integer number (7523742).

Almost surely, 2^25079135 is an apocalyptic number.

25079135 is a deficient number, since it is larger than the sum of its proper divisors (5015833).

25079135 is an equidigital number, since it uses as much as digits as its factorization.

25079135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5015832.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 25079135 is about 5007.9072475436. The cubic root of 25079135 is about 292.7099717181.

The spelling of 25079135 in words is "twenty-five million, seventy-nine thousand, one hundred thirty-five".