84267541 has 2 divisors, whose sum is σ = 84267542. Its totient is φ = 84267540.

The previous prime is 84267539. The next prime is 84267551. The reversal of 84267541 is 14576248.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74476900 + 9790641 = 8630^2 + 3129^2 .

It is a cyclic number.

It is not a de Polignac number, because 84267541 - 2¹ = 84267539 is a prime.

Together with 84267539, it forms a pair of twin primes.

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 84267541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84267551) 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, 42133770 + 42133771.

It is an arithmetic number, because the mean of its divisors is an integer number (42133771).

Almost surely, 2^84267541 is an apocalyptic number.

It is an amenable number.

84267541 is a deficient number, since it is larger than the sum of its proper divisors (1).

84267541 is an equidigital number, since it uses as much as digits as its factorization.

84267541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 37.

The square root of 84267541 is about 9179.7353447689. The cubic root of 84267541 is about 438.4163819119.

The spelling of 84267541 in words is "eighty-four million, two hundred sixty-seven thousand, five hundred forty-one".