530723357 has 6 divisors (see below), whose sum is σ = 563779098. Its totient is φ = 499504064.

The previous prime is 530723353. The next prime is 530723381. The reversal of 530723357 is 753327035.

It can be written as a sum of positive squares in 3 ways, for example, as 280261081 + 250462276 = 16741^2 + 15826^2 .

It is not a de Polignac number, because 530723357 - 2² = 530723353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530723353) 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, 917918 + ... + 918495.

It is an arithmetic number, because the mean of its divisors is an integer number (93963183).

Almost surely, 2^530723357 is an apocalyptic number.

It is an amenable number.

530723357 is a deficient number, since it is larger than the sum of its proper divisors (33055741).

530723357 is a wasteful number, since it uses less digits than its factorization.

530723357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836447 (or 1836430 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 35.

The square root of 530723357 is about 23037.4338197639. The cubic root of 530723357 is about 809.6352353448.

The spelling of 530723357 in words is "five hundred thirty million, seven hundred twenty-three thousand, three hundred fifty-seven".