25343320 has 16 divisors (see below), whose sum is σ = 57022560. Its totient is φ = 10137312.

The previous prime is 25343317. The next prime is 25343323. The reversal of 25343320 is 2334352.

It is an interprime number because it is at equal distance from previous prime (25343317) and next prime (25343323).

It is a junction number, because it is equal to n+sod(n) for n = 25343291 and 25343300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25343323) 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 3 ways as a sum of consecutive naturals, for example, 316752 + ... + 316831.

It is an arithmetic number, because the mean of its divisors is an integer number (3563910).

Almost surely, 2^25343320 is an apocalyptic number.

25343320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25343320 is an abundant number, since it is smaller than the sum of its proper divisors (31679240).

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

25343320 is a wasteful number, since it uses less digits than its factorization.

25343320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633594 (or 633590 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 25343320 is about 5034.2149338303. The cubic root of 25343320 is about 293.7341913931.

Adding to 25343320 its reverse (2334352), we get a palindrome (27677672).

The spelling of 25343320 in words is "twenty-five million, three hundred forty-three thousand, three hundred twenty".