18525343 has 2 divisors, whose sum is σ = 18525344. Its totient is φ = 18525342.

The previous prime is 18525341. The next prime is 18525349. The reversal of 18525343 is 34352581.

It is a weak prime.

It is an emirp because it is prime and its reverse (34352581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18525343 - 2¹ = 18525341 is a prime.

Together with 18525341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18525341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9262671 + 9262672.

It is an arithmetic number, because the mean of its divisors is an integer number (9262672).

Almost surely, 2^18525343 is an apocalyptic number.

18525343 is a deficient number, since it is larger than the sum of its proper divisors (1).

18525343 is an equidigital number, since it uses as much as digits as its factorization.

18525343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

The square root of 18525343 is about 4304.1076891732. The cubic root of 18525343 is about 264.5993375705.

The spelling of 18525343 in words is "eighteen million, five hundred twenty-five thousand, three hundred forty-three".