1002973 has 2 divisors, whose sum is σ = 1002974. Its totient is φ = 1002972.

The previous prime is 1002931. The next prime is 1002979. The reversal of 1002973 is 3792001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544644 + 458329 = 738^2 + 677^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002973 - 2¹⁷ = 871901 is a prime.

1002973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501486 + 501487.

It is an arithmetic number, because the mean of its divisors is an integer number (501487).

2^1002973 is an apocalyptic number.

It is an amenable number.

1002973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002973 is an equidigital number, since it uses as much as digits as its factorization.

1002973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1002973 is about 1001.4853967982. The cubic root of 1002973 is about 100.0990019538.

Adding to 1002973 its reverse (3792001), we get a palindrome (4794974).

The spelling of 1002973 in words is "one million, two thousand, nine hundred seventy-three".