25320343 has 8 divisors (see below), whose sum is σ = 25586496. Its totient is φ = 25056000.

The previous prime is 25320319. The next prime is 25320349. The reversal of 25320343 is 34302352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25320343 - 2⁵ = 25320311 is a prime.

It is a super-2 number, since 2×25320343² = 1282239539275298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25320349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62943 + ... + 63343.

It is an arithmetic number, because the mean of its divisors is an integer number (3198312).

Almost surely, 2^25320343 is an apocalyptic number.

25320343 is a deficient number, since it is larger than the sum of its proper divisors (266153).

25320343 is a wasteful number, since it uses less digits than its factorization.

25320343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

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

The square root of 25320343 is about 5031.9323326134. The cubic root of 25320343 is about 293.6453951975.

Adding to 25320343 its reverse (34302352), we get a palindrome (59622695).

Subtracting 25320343 from its reverse (34302352), we obtain a square (8982009 = 2997²).

The spelling of 25320343 in words is "twenty-five million, three hundred twenty thousand, three hundred forty-three".