25933842 has 48 divisors (see below), whose sum is σ = 61674912. Its totient is φ = 7810560.

The previous prime is 25933829. The next prime is 25933847. The reversal of 25933842 is 24833952.

It is a junction number, because it is equal to n+sod(n) for n = 25933797 and 25933806.

It is not an unprimeable number, because it can be changed into a prime (25933847) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 44658 + ... + 45234.

It is an arithmetic number, because the mean of its divisors is an integer number (1284894).

Almost surely, 2^25933842 is an apocalyptic number.

25933842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 25933842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30837456).

25933842 is an abundant number, since it is smaller than the sum of its proper divisors (35741070).

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

25933842 is a wasteful number, since it uses less digits than its factorization.

25933842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 820 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 25933842 is about 5092.5280558874. The cubic root of 25933842 is about 295.9981205749.

The spelling of 25933842 in words is "twenty-five million, nine hundred thirty-three thousand, eight hundred forty-two".