8553973 has 2 divisors, whose sum is σ = 8553974. Its totient is φ = 8553972.

The previous prime is 8553967. The next prime is 8553989. The reversal of 8553973 is 3793558.

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., 5870929 + 2683044 = 2423^2 + 1638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8553973 is a prime.

It is a super-4 number, since 4×8553973⁴ (a number of 29 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8553913) 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, 4276986 + 4276987.

It is an arithmetic number, because the mean of its divisors is an integer number (4276987).

Almost surely, 2^8553973 is an apocalyptic number.

It is an amenable number.

8553973 is a deficient number, since it is larger than the sum of its proper divisors (1).

8553973 is an equidigital number, since it uses as much as digits as its factorization.

8553973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 40.

The square root of 8553973 is about 2924.7175932045. The cubic root of 8553973 is about 204.5138031863.

The spelling of 8553973 in words is "eight million, five hundred fifty-three thousand, nine hundred seventy-three".