25725894 has 16 divisors (see below), whose sum is σ = 51539760. Its totient is φ = 8560640.

The previous prime is 25725881. The next prime is 25725907. The reversal of 25725894 is 49852752.

It is an interprime number because it is at equal distance from previous prime (25725881) and next prime (25725907).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 502 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (3221235).

Almost surely, 2^25725894 is an apocalyptic number.

25725894 is an abundant number, since it is smaller than the sum of its proper divisors (25813866).

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

25725894 is a wasteful number, since it uses less digits than its factorization.

25725894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335.

The product of its digits is 201600, while the sum is 42.

The square root of 25725894 is about 5072.0699916306. The cubic root of 25725894 is about 295.2048524478.

The spelling of 25725894 in words is "twenty-five million, seven hundred twenty-five thousand, eight hundred ninety-four".