4522393 has 4 divisors (see below), whose sum is σ = 4548708. Its totient is φ = 4496080.

The previous prime is 4522379. The next prime is 4522403. The reversal of 4522393 is 3932254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3932254 = 2 ⋅1966127.

It can be written as a sum of positive squares in 2 ways, for example, as 3697929 + 824464 = 1923^2 + 908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4522393 is a prime.

It is a Duffinian number.

4522393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4522303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12898 + ... + 13243.

It is an arithmetic number, because the mean of its divisors is an integer number (1137177).

Almost surely, 2^4522393 is an apocalyptic number.

It is an amenable number.

4522393 is a deficient number, since it is larger than the sum of its proper divisors (26315).

4522393 is a wasteful number, since it uses less digits than its factorization.

4522393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26314.

The product of its digits is 6480, while the sum is 28.

The square root of 4522393 is about 2126.5918743379. The cubic root of 4522393 is about 165.3697615093.

The spelling of 4522393 in words is "four million, five hundred twenty-two thousand, three hundred ninety-three".