84535573 has 2 divisors, whose sum is σ = 84535574. Its totient is φ = 84535572.

The previous prime is 84535559. The next prime is 84535589. The reversal of 84535573 is 37553548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68591524 + 15944049 = 8282^2 + 3993^2 .

It is a cyclic number.

It is not a de Polignac number, because 84535573 - 2¹⁷ = 84404501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84535513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42267786 + 42267787.

It is an arithmetic number, because the mean of its divisors is an integer number (42267787).

Almost surely, 2^84535573 is an apocalyptic number.

It is an amenable number.

84535573 is a deficient number, since it is larger than the sum of its proper divisors (1).

84535573 is an equidigital number, since it uses as much as digits as its factorization.

84535573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 40.

The square root of 84535573 is about 9194.3228679441. The cubic root of 84535573 is about 438.8807174845.

The spelling of 84535573 in words is "eighty-four million, five hundred thirty-five thousand, five hundred seventy-three".