613326523 has 2 divisors, whose sum is σ = 613326524. Its totient is φ = 613326522.

The previous prime is 613326463. The next prime is 613326563. The reversal of 613326523 is 325623316.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613326523 is a prime.

It is equal to p_31984051 and since 613326523 and 31984051 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (613326563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306663261 + 306663262.

It is an arithmetic number, because the mean of its divisors is an integer number (306663262).

Almost surely, 2^613326523 is an apocalyptic number.

613326523 is a deficient number, since it is larger than the sum of its proper divisors (1).

613326523 is an equidigital number, since it uses as much as digits as its factorization.

613326523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 31.

The square root of 613326523 is about 24765.4299982859. The cubic root of 613326523 is about 849.6314540685.

Adding to 613326523 its reverse (325623316), we get a palindrome (938949839).

The spelling of 613326523 in words is "six hundred thirteen million, three hundred twenty-six thousand, five hundred twenty-three".