25345386 has 72 divisors (see below), whose sum is σ = 62741952. Its totient is φ = 7662600.

The previous prime is 25345349. The next prime is 25345393. The reversal of 25345386 is 68354352.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25345386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58591 + ... + 59021.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 2^25345386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25345386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31370976).

25345386 is an abundant number, since it is smaller than the sum of its proper divisors (37396566).

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

25345386 is a wasteful number, since it uses less digits than its factorization.

25345386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 447 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 25345386 is about 5034.4201254961. The cubic root of 25345386 is about 293.7421729618.

The spelling of 25345386 in words is "twenty-five million, three hundred forty-five thousand, three hundred eighty-six".