523035613 has 2 divisors, whose sum is σ = 523035614. Its totient is φ = 523035612.

The previous prime is 523035559. The next prime is 523035659. The reversal of 523035613 is 316530325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 488719449 + 34316164 = 22107^2 + 5858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523035613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523035683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261517806 + 261517807.

It is an arithmetic number, because the mean of its divisors is an integer number (261517807).

Almost surely, 2^523035613 is an apocalyptic number.

It is an amenable number.

523035613 is a deficient number, since it is larger than the sum of its proper divisors (1).

523035613 is an equidigital number, since it uses as much as digits as its factorization.

523035613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 523035613 is about 22869.9718626849. The cubic root of 523035613 is about 805.7069073096.

Adding to 523035613 its reverse (316530325), we get a palindrome (839565938).

It can be divided in two parts, 5230356 and 13, that added together give a square (5230369 = 2287²).

The spelling of 523035613 in words is "five hundred twenty-three million, thirty-five thousand, six hundred thirteen".