25454798 has 4 divisors (see below), whose sum is σ = 38182200. Its totient is φ = 12727398.

The previous prime is 25454791. The next prime is 25454833. The reversal of 25454798 is 89745452.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25454791) 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 as a sum of consecutive naturals, namely, 6363698 + ... + 6363701.

It is an arithmetic number, because the mean of its divisors is an integer number (9545550).

Almost surely, 2^25454798 is an apocalyptic number.

25454798 is a deficient number, since it is larger than the sum of its proper divisors (12727402).

25454798 is a wasteful number, since it uses less digits than its factorization.

25454798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727401.

The product of its digits is 403200, while the sum is 44.

The square root of 25454798 is about 5045.2748190758. The cubic root of 25454798 is about 294.1642456160.

The spelling of 25454798 in words is "twenty-five million, four hundred fifty-four thousand, seven hundred ninety-eight".