84568453 has 2 divisors, whose sum is σ = 84568454. Its totient is φ = 84568452.

The previous prime is 84568427. The next prime is 84568481. The reversal of 84568453 is 35486548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54789604 + 29778849 = 7402^2 + 5457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84568453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84568483) 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, 42284226 + 42284227.

It is an arithmetic number, because the mean of its divisors is an integer number (42284227).

Almost surely, 2^84568453 is an apocalyptic number.

It is an amenable number.

84568453 is a deficient number, since it is larger than the sum of its proper divisors (1).

84568453 is an equidigital number, since it uses as much as digits as its factorization.

84568453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 460800, while the sum is 43.

The square root of 84568453 is about 9196.1107540090. The cubic root of 84568453 is about 438.9376108017.

The spelling of 84568453 in words is "eighty-four million, five hundred sixty-eight thousand, four hundred fifty-three".