25498798 has 32 divisors (see below), whose sum is σ = 44029440. Its totient is φ = 10977120.

The previous prime is 25498747. The next prime is 25498807. The reversal of 25498798 is 89789452.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34711 + ... + 35437.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^25498798 is an apocalyptic number.

25498798 is a deficient number, since it is larger than the sum of its proper divisors (18530642).

25498798 is a wasteful number, since it uses less digits than its factorization.

25498798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its digits is 1451520, while the sum is 52.

The square root of 25498798 is about 5049.6334520438. The cubic root of 25498798 is about 294.3336410055. Note that the first 3 decimals are identical.

The spelling of 25498798 in words is "twenty-five million, four hundred ninety-eight thousand, seven hundred ninety-eight".