25330812 has 48 divisors (see below), whose sum is σ = 64576512. Its totient is φ = 7680960.

The previous prime is 25330807. The next prime is 25330817. The reversal of 25330812 is 21803352.

It is an interprime number because it is at equal distance from previous prime (25330807) and next prime (25330817).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25330817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9933 + ... + 12219.

It is an arithmetic number, because the mean of its divisors is an integer number (1345344).

Almost surely, 2^25330812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25330812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32288256).

25330812 is an abundant number, since it is smaller than the sum of its proper divisors (39245700).

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

25330812 is a wasteful number, since it uses less digits than its factorization.

25330812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378 (or 2376 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25330812 is about 5032.9724815461. The cubic root of 25330812 is about 293.6858600266.

The spelling of 25330812 in words is "twenty-five million, three hundred thirty thousand, eight hundred twelve".