573409523 has 2 divisors, whose sum is σ = 573409524. Its totient is φ = 573409522.

The previous prime is 573409513. The next prime is 573409537. The reversal of 573409523 is 325904375.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-573409523 is a prime.

It is not a weakly prime, because it can be changed into another prime (573409513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286704761 + 286704762.

It is an arithmetic number, because the mean of its divisors is an integer number (286704762).

Almost surely, 2^573409523 is an apocalyptic number.

573409523 is a deficient number, since it is larger than the sum of its proper divisors (1).

573409523 is an equidigital number, since it uses as much as digits as its factorization.

573409523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 573409523 is about 23945.9709137049. The cubic root of 573409523 is about 830.7843376907.

The spelling of 573409523 in words is "five hundred seventy-three million, four hundred nine thousand, five hundred twenty-three".