4320513 has 8 divisors (see below), whose sum is σ = 6400800. Its totient is φ = 2880324.

The previous prime is 4320509. The next prime is 4320517. The reversal of 4320513 is 3150234.

It is an interprime number because it is at equal distance from previous prime (4320509) and next prime (4320517).

It is not a de Polignac number, because 4320513 - 2² = 4320509 is a prime.

4320513 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4320517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79983 + ... + 80036.

It is an arithmetic number, because the mean of its divisors is an integer number (800100).

Almost surely, 2^4320513 is an apocalyptic number.

It is an amenable number.

4320513 is a deficient number, since it is larger than the sum of its proper divisors (2080287).

4320513 is a wasteful number, since it uses less digits than its factorization.

4320513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160028 (or 160022 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 4320513 is about 2078.5843740392. The cubic root of 4320513 is about 162.8715034824.

Adding to 4320513 its reverse (3150234), we get a palindrome (7470747).

The spelling of 4320513 in words is "four million, three hundred twenty thousand, five hundred thirteen".