8625973 has 2 divisors, whose sum is σ = 8625974. Its totient is φ = 8625972.

The previous prime is 8625961. The next prime is 8625979. The reversal of 8625973 is 3795268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8625969 + 4 = 2937^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 8625973 - 2¹⁷ = 8494901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8625979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4312986 + 4312987.

It is an arithmetic number, because the mean of its divisors is an integer number (4312987).

Almost surely, 2^8625973 is an apocalyptic number.

It is an amenable number.

8625973 is a deficient number, since it is larger than the sum of its proper divisors (1).

8625973 is an equidigital number, since it uses as much as digits as its factorization.

8625973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 8625973 is about 2937.0006809669. Note that the first 3 decimals coincide. The cubic root of 8625973 is about 205.0860079317.

The spelling of 8625973 in words is "eight million, six hundred twenty-five thousand, nine hundred seventy-three".