25247079 has 48 divisors (see below), whose sum is σ = 44271360. Its totient is φ = 14096160.

The previous prime is 25247069. The next prime is 25247083. The reversal of 25247079 is 97074252.

It is not a de Polignac number, because 25247079 - 2¹⁹ = 24722791 is a prime.

It is a super-3 number, since 3×25247079³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25247059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49942 + ... + 50444.

It is an arithmetic number, because the mean of its divisors is an integer number (922320).

Almost surely, 2^25247079 is an apocalyptic number.

25247079 is a deficient number, since it is larger than the sum of its proper divisors (19024281).

25247079 is a wasteful number, since it uses less digits than its factorization.

25247079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 25247079 is about 5024.6471517909. The cubic root of 25247079 is about 293.3619022049.

The spelling of 25247079 in words is "twenty-five million, two hundred forty-seven thousand, seventy-nine".