25455898 has 16 divisors (see below), whose sum is σ = 42448896. Its totient is φ = 11369520.

The previous prime is 25455893. The next prime is 25455901. The reversal of 25455898 is 89855452.

It is not an unprimeable number, because it can be changed into a prime (25455893) 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, 14986 + ... + 16597.

It is an arithmetic number, because the mean of its divisors is an integer number (2653056).

Almost surely, 2^25455898 is an apocalyptic number.

25455898 is a deficient number, since it is larger than the sum of its proper divisors (16992998).

25455898 is a wasteful number, since it uses less digits than its factorization.

25455898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31629.

The product of its digits is 576000, while the sum is 46.

The square root of 25455898 is about 5045.3838307903. The cubic root of 25455898 is about 294.1684828788.

The spelling of 25455898 in words is "twenty-five million, four hundred fifty-five thousand, eight hundred ninety-eight".