4247813 has 4 divisors (see below), whose sum is σ = 4338240. Its totient is φ = 4157388.

The previous prime is 4247809. The next prime is 4247819. The reversal of 4247813 is 3187424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4247813 - 2² = 4247809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45143 + ... + 45236.

It is an arithmetic number, because the mean of its divisors is an integer number (1084560).

Almost surely, 2^4247813 is an apocalyptic number.

It is an amenable number.

4247813 is a deficient number, since it is larger than the sum of its proper divisors (90427).

4247813 is an equidigital number, since it uses as much as digits as its factorization.

4247813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90426.

The product of its digits is 5376, while the sum is 29.

The square root of 4247813 is about 2061.0223191416. The cubic root of 4247813 is about 161.9528008613.

The spelling of 4247813 in words is "four million, two hundred forty-seven thousand, eight hundred thirteen".