25890254 has 16 divisors (see below), whose sum is σ = 41906592. Its totient is φ = 11925408.

The previous prime is 25890251. The next prime is 25890299. The reversal of 25890254 is 45209852.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25890251) by changing a digit.

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, 25052 + ... + 26064.

It is an arithmetic number, because the mean of its divisors is an integer number (2619162).

Almost surely, 2^25890254 is an apocalyptic number.

25890254 is a deficient number, since it is larger than the sum of its proper divisors (16016338).

25890254 is a wasteful number, since it uses less digits than its factorization.

25890254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 25890254 is about 5088.2466528265. The cubic root of 25890254 is about 295.8321957945.

The spelling of 25890254 in words is "twenty-five million, eight hundred ninety thousand, two hundred fifty-four".