84034537 has 2 divisors, whose sum is σ = 84034538. Its totient is φ = 84034536.

The previous prime is 84034523. The next prime is 84034541. The reversal of 84034537 is 73543048.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82737216 + 1297321 = 9096^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 84034537 - 2⁷ = 84034409 is a prime.

It is equal to p_4891039 and since 84034537 and 4891039 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84004537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42017268 + 42017269.

It is an arithmetic number, because the mean of its divisors is an integer number (42017269).

Almost surely, 2^84034537 is an apocalyptic number.

It is an amenable number.

84034537 is a deficient number, since it is larger than the sum of its proper divisors (1).

84034537 is an equidigital number, since it uses as much as digits as its factorization.

84034537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 84034537 is about 9167.0353441012. The cubic root of 84034537 is about 438.0119277695.

The spelling of 84034537 in words is "eighty-four million, thirty-four thousand, five hundred thirty-seven".