25298867 has 8 divisors (see below), whose sum is σ = 27717120. Its totient is φ = 22900360.

The previous prime is 25298863. The next prime is 25298869. The reversal of 25298867 is 76889252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25298867 - 2² = 25298863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25298863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183 + ... + 7440.

It is an arithmetic number, because the mean of its divisors is an integer number (3464640).

Almost surely, 2^25298867 is an apocalyptic number.

25298867 is a deficient number, since it is larger than the sum of its proper divisors (2418253).

25298867 is a wasteful number, since it uses less digits than its factorization.

25298867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873.

The product of its digits is 483840, while the sum is 47.

The square root of 25298867 is about 5029.7979084651. The cubic root of 25298867 is about 293.5623511369.

It can be divided in two parts, 25 and 298867, that added together give a palindrome (298892).

The spelling of 25298867 in words is "twenty-five million, two hundred ninety-eight thousand, eight hundred sixty-seven".