7264813 has 2 divisors, whose sum is σ = 7264814. Its totient is φ = 7264812.

The previous prime is 7264811. The next prime is 7264823. The reversal of 7264813 is 3184627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4485924 + 2778889 = 2118^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 7264813 - 2¹ = 7264811 is a prime.

Together with 7264811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7264811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3632406 + 3632407.

It is an arithmetic number, because the mean of its divisors is an integer number (3632407).

Almost surely, 2^7264813 is an apocalyptic number.

It is an amenable number.

7264813 is a deficient number, since it is larger than the sum of its proper divisors (1).

7264813 is an equidigital number, since it uses as much as digits as its factorization.

7264813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 7264813 is about 2695.3317050040. The cubic root of 7264813 is about 193.6755568327.

The spelling of 7264813 in words is "seven million, two hundred sixty-four thousand, eight hundred thirteen".