84937313 has 2 divisors, whose sum is σ = 84937314. Its totient is φ = 84937312.

The previous prime is 84937309. The next prime is 84937331. The reversal of 84937313 is 31373948.

Together with next prime (84937331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51955264 + 32982049 = 7208^2 + 5743^2 .

It is a cyclic number.

It is not a de Polignac number, because 84937313 - 2² = 84937309 is a prime.

It is not a weakly prime, because it can be changed into another prime (84937343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42468656 + 42468657.

It is an arithmetic number, because the mean of its divisors is an integer number (42468657).

Almost surely, 2^84937313 is an apocalyptic number.

It is an amenable number.

84937313 is a deficient number, since it is larger than the sum of its proper divisors (1).

84937313 is an equidigital number, since it uses as much as digits as its factorization.

84937313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 84937313 is about 9216.1441503483. The cubic root of 84937313 is about 439.5748527662.

The spelling of 84937313 in words is "eighty-four million, nine hundred thirty-seven thousand, three hundred thirteen".