25655498 has 16 divisors (see below), whose sum is σ = 42775776. Its totient is φ = 11441040.

The previous prime is 25655489. The next prime is 25655503. The reversal of 25655498 is 89455652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9836 + ... + 12167.

It is an arithmetic number, because the mean of its divisors is an integer number (2673486).

Almost surely, 2^25655498 is an apocalyptic number.

25655498 is a deficient number, since it is larger than the sum of its proper divisors (17120278).

25655498 is a wasteful number, since it uses less digits than its factorization.

25655498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22069.

The product of its digits is 432000, while the sum is 44.

The square root of 25655498 is about 5065.1256647787. The cubic root of 25655498 is about 294.9353415698.

It can be divided in two parts, 256554 and 98, that added together give a palindrome (256652).

The spelling of 25655498 in words is "twenty-five million, six hundred fifty-five thousand, four hundred ninety-eight".