531122573 has 2 divisors, whose sum is σ = 531122574. Its totient is φ = 531122572.

The previous prime is 531122507. The next prime is 531122591. The reversal of 531122573 is 375221135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 530242729 + 879844 = 23027^2 + 938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-531122573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531122173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265561286 + 265561287.

It is an arithmetic number, because the mean of its divisors is an integer number (265561287).

Almost surely, 2^531122573 is an apocalyptic number.

It is an amenable number.

531122573 is a deficient number, since it is larger than the sum of its proper divisors (1).

531122573 is an equidigital number, since it uses as much as digits as its factorization.

531122573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 29.

The square root of 531122573 is about 23046.0966977057. The cubic root of 531122573 is about 809.8381900019.

The spelling of 531122573 in words is "five hundred thirty-one million, one hundred twenty-two thousand, five hundred seventy-three".