47564213 has 2 divisors, whose sum is σ = 47564214. Its totient is φ = 47564212.

The previous prime is 47564191. The next prime is 47564219. The reversal of 47564213 is 31246574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43850884 + 3713329 = 6622^2 + 1927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47564213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47564213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47564219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23782106 + 23782107.

It is an arithmetic number, because the mean of its divisors is an integer number (23782107).

Almost surely, 2^47564213 is an apocalyptic number.

It is an amenable number.

47564213 is a deficient number, since it is larger than the sum of its proper divisors (1).

47564213 is an equidigital number, since it uses as much as digits as its factorization.

47564213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 47564213 is about 6896.6813033516. The cubic root of 47564213 is about 362.3209433572.

The spelling of 47564213 in words is "forty-seven million, five hundred sixty-four thousand, two hundred thirteen".