25389898 has 8 divisors (see below), whose sum is σ = 38340900. Its totient is φ = 12609600.

The previous prime is 25389887. The next prime is 25389919. The reversal of 25389898 is 89898352.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 619369 = 4977^2 + 787^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42303 + ... + 42898.

Almost surely, 2^25389898 is an apocalyptic number.

25389898 is a deficient number, since it is larger than the sum of its proper divisors (12951002).

25389898 is a wasteful number, since it uses less digits than its factorization.

25389898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85352.

The product of its digits is 1244160, while the sum is 52.

The square root of 25389898 is about 5038.8389535686. The cubic root of 25389898 is about 293.9140307357.

The spelling of 25389898 in words is "twenty-five million, three hundred eighty-nine thousand, eight hundred ninety-eight".