523161829 has 2 divisors, whose sum is σ = 523161830. Its totient is φ = 523161828.

The previous prime is 523161799. The next prime is 523161851. The reversal of 523161829 is 928161325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 462680100 + 60481729 = 21510^2 + 7777^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523161829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523161889) 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, 261580914 + 261580915.

It is an arithmetic number, because the mean of its divisors is an integer number (261580915).

Almost surely, 2^523161829 is an apocalyptic number.

It is an amenable number.

523161829 is a deficient number, since it is larger than the sum of its proper divisors (1).

523161829 is an equidigital number, since it uses as much as digits as its factorization.

523161829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 523161829 is about 22872.7311224523. The cubic root of 523161829 is about 805.7717116439.

It can be divided in two parts, 52316 and 1829, that added together give a palindrome (54145).

The spelling of 523161829 in words is "five hundred twenty-three million, one hundred sixty-one thousand, eight hundred twenty-nine".