4523913 has 12 divisors (see below), whose sum is σ = 6760260. Its totient is φ = 2911776.

The previous prime is 4523851. The next prime is 4523917. The reversal of 4523913 is 3193254.

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 3415104 = 1053^2 + 1848^2 .

It is not a de Polignac number, because 4523913 - 2¹² = 4519817 is a prime.

4523913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4523917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8406 + ... + 8927.

It is an arithmetic number, because the mean of its divisors is an integer number (563355).

Almost surely, 2^4523913 is an apocalyptic number.

It is an amenable number.

4523913 is a deficient number, since it is larger than the sum of its proper divisors (2236347).

4523913 is a wasteful number, since it uses less digits than its factorization.

4523913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17368 (or 17365 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 4523913 is about 2126.9492236534. The cubic root of 4523913 is about 165.3882866487.

The spelling of 4523913 in words is "four million, five hundred twenty-three thousand, nine hundred thirteen".