523486069 has 2 divisors, whose sum is σ = 523486070. Its totient is φ = 523486068.

The previous prime is 523486031. The next prime is 523486091. The reversal of 523486069 is 960684325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308423844 + 215062225 = 17562^2 + 14665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523486069 is a prime.

It is a super-2 number, since 2×523486069² = 548075328874145522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523486009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261743034 + 261743035.

It is an arithmetic number, because the mean of its divisors is an integer number (261743035).

Almost surely, 2^523486069 is an apocalyptic number.

It is an amenable number.

523486069 is a deficient number, since it is larger than the sum of its proper divisors (1).

523486069 is an equidigital number, since it uses as much as digits as its factorization.

523486069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 523486069 is about 22879.8179407092. The cubic root of 523486069 is about 805.9381416403.

The spelling of 523486069 in words is "five hundred twenty-three million, four hundred eighty-six thousand, sixty-nine".