25289798 has 32 divisors (see below), whose sum is σ = 42184800. Its totient is φ = 11321856.

The previous prime is 25289791. The next prime is 25289801. The reversal of 25289798 is 89798252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25289791) 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, 58190 + ... + 58622.

It is an arithmetic number, because the mean of its divisors is an integer number (1318275).

Almost surely, 2^25289798 is an apocalyptic number.

25289798 is a deficient number, since it is larger than the sum of its proper divisors (16895002).

25289798 is a wasteful number, since it uses less digits than its factorization.

25289798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536.

The product of its digits is 725760, while the sum is 50.

The square root of 25289798 is about 5028.8963003824. The cubic root of 25289798 is about 293.5272687338.

The spelling of 25289798 in words is "twenty-five million, two hundred eighty-nine thousand, seven hundred ninety-eight".