523033493 has 2 divisors, whose sum is σ = 523033494. Its totient is φ = 523033492.

The previous prime is 523033487. The next prime is 523033513. The reversal of 523033493 is 394330325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 479697604 + 43335889 = 21902^2 + 6583^2 .

It is a cyclic number.

It is not a de Polignac number, because 523033493 - 2⁴ = 523033477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523032493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261516746 + 261516747.

It is an arithmetic number, because the mean of its divisors is an integer number (261516747).

Almost surely, 2^523033493 is an apocalyptic number.

It is an amenable number.

523033493 is a deficient number, since it is larger than the sum of its proper divisors (1).

523033493 is an equidigital number, since it uses as much as digits as its factorization.

523033493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 32.

The square root of 523033493 is about 22869.9255136522. The cubic root of 523033493 is about 805.7058187279.

The spelling of 523033493 in words is "five hundred twenty-three million, thirty-three thousand, four hundred ninety-three".