25850425 has 12 divisors (see below), whose sum is σ = 32368960. Its totient is φ = 20477520.

The previous prime is 25850389. The next prime is 25850441. The reversal of 25850425 is 52405852.

It is not a de Polignac number, because 25850425 - 2⁹ = 25849913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2445 + ... + 7594.

Almost surely, 2^25850425 is an apocalyptic number.

25850425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25850425 is a deficient number, since it is larger than the sum of its proper divisors (6518535).

25850425 is a wasteful number, since it uses less digits than its factorization.

25850425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10152 (or 10147 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 25850425 is about 5084.3313227995. The cubic root of 25850425 is about 295.6804173457.

The spelling of 25850425 in words is "twenty-five million, eight hundred fifty thousand, four hundred twenty-five".