84608453 has 2 divisors, whose sum is σ = 84608454. Its totient is φ = 84608452.

The previous prime is 84608449. The next prime is 84608479. The reversal of 84608453 is 35480648.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84033889 + 574564 = 9167^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 84608453 - 2² = 84608449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84608443) 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, 42304226 + 42304227.

It is an arithmetic number, because the mean of its divisors is an integer number (42304227).

Almost surely, 2^84608453 is an apocalyptic number.

It is an amenable number.

84608453 is a deficient number, since it is larger than the sum of its proper divisors (1).

84608453 is an equidigital number, since it uses as much as digits as its factorization.

84608453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 84608453 is about 9198.2853293426. The cubic root of 84608453 is about 439.0068042041.

The spelling of 84608453 in words is "eighty-four million, six hundred eight thousand, four hundred fifty-three".