523676869 has 2 divisors, whose sum is σ = 523676870. Its totient is φ = 523676868.

The previous prime is 523676863. The next prime is 523676897. The reversal of 523676869 is 968676325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 488984769 + 34692100 = 22113^2 + 5890^2 .

It is a cyclic number.

It is not a de Polignac number, because 523676869 - 2¹⁵ = 523644101 is a prime.

It is a super-2 number, since 2×523676869² = 548474926251286322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523676863) 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, 261838434 + 261838435.

It is an arithmetic number, because the mean of its divisors is an integer number (261838435).

Almost surely, 2^523676869 is an apocalyptic number.

It is an amenable number.

523676869 is a deficient number, since it is larger than the sum of its proper divisors (1).

523676869 is an equidigital number, since it uses as much as digits as its factorization.

523676869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The square root of 523676869 is about 22883.9871744414. The cubic root of 523676869 is about 806.0360457540.

The spelling of 523676869 in words is "five hundred twenty-three million, six hundred seventy-six thousand, eight hundred sixty-nine".