25856430 has 16 divisors (see below), whose sum is σ = 62055504. Its totient is φ = 6895040.

The previous prime is 25856423. The next prime is 25856431. The reversal of 25856430 is 3465852.

It is a junction number, because it is equal to n+sod(n) for n = 25856391 and 25856400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25856431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430911 + ... + 430970.

It is an arithmetic number, because the mean of its divisors is an integer number (3878469).

Almost surely, 2^25856430 is an apocalyptic number.

25856430 is an abundant number, since it is smaller than the sum of its proper divisors (36199074).

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

25856430 is a wasteful number, since it uses less digits than its factorization.

25856430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861891.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25856430 is about 5084.9218283077. The cubic root of 25856430 is about 295.7033108885.

The spelling of 25856430 in words is "twenty-five million, eight hundred fifty-six thousand, four hundred thirty".