7213567 has 2 divisors, whose sum is σ = 7213568. Its totient is φ = 7213566.

The previous prime is 7213561. The next prime is 7213571. The reversal of 7213567 is 7653127.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7213567 - 2¹⁵ = 7180799 is a prime.

7213567 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7213561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3606783 + 3606784.

It is an arithmetic number, because the mean of its divisors is an integer number (3606784).

Almost surely, 2^7213567 is an apocalyptic number.

7213567 is a deficient number, since it is larger than the sum of its proper divisors (1).

7213567 is an equidigital number, since it uses as much as digits as its factorization.

7213567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 7213567 is about 2685.8084443981. The cubic root of 7213567 is about 193.2190859554.

The spelling of 7213567 in words is "seven million, two hundred thirteen thousand, five hundred sixty-seven".