25563098 has 16 divisors (see below), whose sum is σ = 41912640. Its totient is φ = 11596800.

The previous prime is 25563079. The next prime is 25563137. The reversal of 25563098 is 89036552.

It is a Curzon number.

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, 16163 + ... + 17673.

It is an arithmetic number, because the mean of its divisors is an integer number (2619540).

Almost surely, 2^25563098 is an apocalyptic number.

25563098 is a deficient number, since it is larger than the sum of its proper divisors (16349542).

25563098 is a wasteful number, since it uses less digits than its factorization.

25563098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 25563098 is about 5055.9962420872. The cubic root of 25563098 is about 294.5808391568.

Adding to 25563098 its sum of digits (38), we get a square (25563136 = 5056²).

The spelling of 25563098 in words is "twenty-five million, five hundred sixty-three thousand, ninety-eight".