84357313 has 2 divisors, whose sum is σ = 84357314. Its totient is φ = 84357312.

The previous prime is 84357289. The next prime is 84357323. The reversal of 84357313 is 31375348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 3932289 = 8968^2 + 1983^2 .

It is a cyclic number.

It is not a de Polignac number, because 84357313 - 2²⁵ = 50802881 is a prime.

It is not a weakly prime, because it can be changed into another prime (84357323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42178656 + 42178657.

It is an arithmetic number, because the mean of its divisors is an integer number (42178657).

Almost surely, 2^84357313 is an apocalyptic number.

It is an amenable number.

84357313 is a deficient number, since it is larger than the sum of its proper divisors (1).

84357313 is an equidigital number, since it uses as much as digits as its factorization.

84357313 is an evil number, because the sum of its binary digits is even.

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

The square root of 84357313 is about 9184.6237266423. The cubic root of 84357313 is about 438.5720114188.

The spelling of 84357313 in words is "eighty-four million, three hundred fifty-seven thousand, three hundred thirteen".