4918013 has 4 divisors (see below), whose sum is σ = 4922460. Its totient is φ = 4913568.

The previous prime is 4918009. The next prime is 4918019. The reversal of 4918013 is 3108194.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1315609 + 3602404 = 1147^2 + 1898^2 .

It is a cyclic number.

It is not a de Polignac number, because 4918013 - 2² = 4918009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4918019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881 + ... + 3257.

It is an arithmetic number, because the mean of its divisors is an integer number (1230615).

Almost surely, 2^4918013 is an apocalyptic number.

It is an amenable number.

4918013 is a deficient number, since it is larger than the sum of its proper divisors (4447).

4918013 is a wasteful number, since it uses less digits than its factorization.

4918013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4918013 is about 2217.6593516589. The cubic root of 4918013 is about 170.0578004147.

The spelling of 4918013 in words is "four million, nine hundred eighteen thousand, thirteen".