97213733 has 2 divisors, whose sum is σ = 97213734. Its totient is φ = 97213732.

The previous prime is 97213723. The next prime is 97213757. The reversal of 97213733 is 33731279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60949249 + 36264484 = 7807^2 + 6022^2 .

It is an emirp because it is prime and its reverse (33731279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97213733 - 2¹⁴ = 97197349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97213693 and 97213702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97213723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48606866 + 48606867.

It is an arithmetic number, because the mean of its divisors is an integer number (48606867).

Almost surely, 2^97213733 is an apocalyptic number.

It is an amenable number.

97213733 is a deficient number, since it is larger than the sum of its proper divisors (1).

97213733 is an equidigital number, since it uses as much as digits as its factorization.

97213733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23814, while the sum is 35.

The square root of 97213733 is about 9859.7024802983. The cubic root of 97213733 is about 459.8073121766.

The spelling of 97213733 in words is "ninety-seven million, two hundred thirteen thousand, seven hundred thirty-three".