1022573 has 2 divisors, whose sum is σ = 1022574. Its totient is φ = 1022572.

The previous prime is 1022531. The next prime is 1022591. The reversal of 1022573 is 3752201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 26569 = 998^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1022573 - 2⁶ = 1022509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022503) 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, 511286 + 511287.

It is an arithmetic number, because the mean of its divisors is an integer number (511287).

2^1022573 is an apocalyptic number.

It is an amenable number.

1022573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022573 is an equidigital number, since it uses as much as digits as its factorization.

1022573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1022573 is about 1011.2235163405. The cubic root of 1022573 is about 100.7468417222.

Adding to 1022573 its reverse (3752201), we get a palindrome (4774774).

The spelling of 1022573 in words is "one million, twenty-two thousand, five hundred seventy-three".