83745313 has 2 divisors, whose sum is σ = 83745314. Its totient is φ = 83745312.

The previous prime is 83745307. The next prime is 83745371. The reversal of 83745313 is 31354738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57653649 + 26091664 = 7593^2 + 5108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83745313 is a prime.

It is not a weakly prime, because it can be changed into another prime (83745373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41872656 + 41872657.

It is an arithmetic number, because the mean of its divisors is an integer number (41872657).

Almost surely, 2^83745313 is an apocalyptic number.

It is an amenable number.

83745313 is a deficient number, since it is larger than the sum of its proper divisors (1).

83745313 is an equidigital number, since it uses as much as digits as its factorization.

83745313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 83745313 is about 9151.2465271131. The cubic root of 83745313 is about 437.5088442294.

The spelling of 83745313 in words is "eighty-three million, seven hundred forty-five thousand, three hundred thirteen".