25349079 has 16 divisors (see below), whose sum is σ = 38807552. Its totient is φ = 14417568.

The previous prime is 25349053. The next prime is 25349083. The reversal of 25349079 is 97094352.

It is not a de Polignac number, because 25349079 - 2⁵ = 25349047 is a prime.

It is a super-2 number, since 2×25349079² = 1285151612296482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25349039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1977 + ... + 7389.

It is an arithmetic number, because the mean of its divisors is an integer number (2425472).

Almost surely, 2^25349079 is an apocalyptic number.

25349079 is a deficient number, since it is larger than the sum of its proper divisors (13458473).

25349079 is a wasteful number, since it uses less digits than its factorization.

25349079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 25349079 is about 5034.7868872476. The cubic root of 25349079 is about 293.7564390319.

The spelling of 25349079 in words is "twenty-five million, three hundred forty-nine thousand, seventy-nine".