8522973 has 6 divisors (see below), whose sum is σ = 12310974. Its totient is φ = 5681976.

The previous prime is 8522959. The next prime is 8522989. The reversal of 8522973 is 3792258.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6827769 + 1695204 = 2613^2 + 1302^2 .

It is not a de Polignac number, because 8522973 - 2⁶ = 8522909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8522473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 473490 + ... + 473507.

It is an arithmetic number, because the mean of its divisors is an integer number (2051829).

Almost surely, 2^8522973 is an apocalyptic number.

It is an amenable number.

8522973 is a deficient number, since it is larger than the sum of its proper divisors (3788001).

8522973 is a wasteful number, since it uses less digits than its factorization.

8522973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947003 (or 947000 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 8522973 is about 2919.4131259553. The cubic root of 8522973 is about 204.2664482598.

The spelling of 8522973 in words is "eight million, five hundred twenty-two thousand, nine hundred seventy-three".