4529993 has 4 divisors (see below), whose sum is σ = 4878468. Its totient is φ = 4181520.

The previous prime is 4529989. The next prime is 4530017. The reversal of 4529993 is 3999254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2999824 + 1530169 = 1732^2 + 1237^2 .

It is a cyclic number.

It is not a de Polignac number, because 4529993 - 2² = 4529989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4529993.

It is not an unprimeable number, because it can be changed into a prime (4529983) 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, 174218 + ... + 174243.

It is an arithmetic number, because the mean of its divisors is an integer number (1219617).

Almost surely, 2^4529993 is an apocalyptic number.

It is an amenable number.

4529993 is a deficient number, since it is larger than the sum of its proper divisors (348475).

4529993 is a wasteful number, since it uses less digits than its factorization.

4529993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348474.

The product of its digits is 87480, while the sum is 41.

The square root of 4529993 is about 2128.3780209352. The cubic root of 4529993 is about 165.4623457385.

The spelling of 4529993 in words is "four million, five hundred twenty-nine thousand, nine hundred ninety-three".