84274313 has 2 divisors, whose sum is σ = 84274314. Its totient is φ = 84274312.

The previous prime is 84274301. The next prime is 84274327. The reversal of 84274313 is 31347248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82391929 + 1882384 = 9077^2 + 1372^2 .

It is a cyclic number.

It is not a de Polignac number, because 84274313 - 2¹² = 84270217 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84274313.

It is not a weakly prime, because it can be changed into another prime (84274343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42137156 + 42137157.

It is an arithmetic number, because the mean of its divisors is an integer number (42137157).

Almost surely, 2^84274313 is an apocalyptic number.

It is an amenable number.

84274313 is a deficient number, since it is larger than the sum of its proper divisors (1).

84274313 is an equidigital number, since it uses as much as digits as its factorization.

84274313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 84274313 is about 9180.1041933085. The cubic root of 84274313 is about 438.4281257624.

The spelling of 84274313 in words is "eighty-four million, two hundred seventy-four thousand, three hundred thirteen".