84022513 has 2 divisors, whose sum is σ = 84022514. Its totient is φ = 84022512.

The previous prime is 84022507. The next prime is 84022529. The reversal of 84022513 is 31522048.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56070144 + 27952369 = 7488^2 + 5287^2 .

It is a cyclic number.

It is not a de Polignac number, because 84022513 - 2²⁵ = 50468081 is a prime.

It is not a weakly prime, because it can be changed into another prime (84022613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42011256 + 42011257.

It is an arithmetic number, because the mean of its divisors is an integer number (42011257).

Almost surely, 2^84022513 is an apocalyptic number.

It is an amenable number.

84022513 is a deficient number, since it is larger than the sum of its proper divisors (1).

84022513 is an equidigital number, since it uses as much as digits as its factorization.

84022513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 84022513 is about 9166.3794924714. The cubic root of 84022513 is about 437.9910359362.

The spelling of 84022513 in words is "eighty-four million, twenty-two thousand, five hundred thirteen".