25954998 has 32 divisors (see below), whose sum is σ = 54743040. Its totient is φ = 8191680.

The previous prime is 25954991. The next prime is 25955011. The reversal of 25954998 is 89945952.

It is a self number, because there is not a number n which added to its sum of digits gives 25954998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25954991) 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 15 ways as a sum of consecutive naturals, for example, 7258 + ... + 10226.

It is an arithmetic number, because the mean of its divisors is an integer number (1710720).

Almost surely, 2^25954998 is an apocalyptic number.

25954998 is an abundant number, since it is smaller than the sum of its proper divisors (28788042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25954998 is a wasteful number, since it uses less digits than its factorization.

25954998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052.

The product of its digits is 1166400, while the sum is 51.

The square root of 25954998 is about 5094.6047933083. The cubic root of 25954998 is about 296.0785873024.

The spelling of 25954998 in words is "twenty-five million, nine hundred fifty-four thousand, nine hundred ninety-eight".