25840254 has 16 divisors (see below), whose sum is σ = 56378880. Its totient is φ = 7830360.

The previous prime is 25840253. The next prime is 25840273. The reversal of 25840254 is 45204852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25840253) 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, 195694 + ... + 195825.

It is an arithmetic number, because the mean of its divisors is an integer number (3523680).

Almost surely, 2^25840254 is an apocalyptic number.

25840254 is an abundant number, since it is smaller than the sum of its proper divisors (30538626).

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

25840254 is a wasteful number, since it uses less digits than its factorization.

25840254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391535.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 25840254 is about 5083.3309945350. The cubic root of 25840254 is about 295.6416331989.

The spelling of 25840254 in words is "twenty-five million, eight hundred forty thousand, two hundred fifty-four".