25785342 has 36 divisors (see below), whose sum is σ = 61414080. Its totient is φ = 7813080.

The previous prime is 25785317. The next prime is 25785343. The reversal of 25785342 is 24358752.

It is a junction number, because it is equal to n+sod(n) for n = 25785297 and 25785306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25785343) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3742 + ... + 8097.

Almost surely, 2^25785342 is an apocalyptic number.

25785342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25785342 is an abundant number, since it is smaller than the sum of its proper divisors (35628738).

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

25785342 is a wasteful number, since it uses less digits than its factorization.

25785342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11869 (or 11855 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 25785342 is about 5077.9269392145. The cubic root of 25785342 is about 295.4320662890.

The spelling of 25785342 in words is "twenty-five million, seven hundred eighty-five thousand, three hundred forty-two".