523617967 has 2 divisors, whose sum is σ = 523617968. Its totient is φ = 523617966.

The previous prime is 523617893. The next prime is 523618027. The reversal of 523617967 is 769716325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523617967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523614967) 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, 261808983 + 261808984.

It is an arithmetic number, because the mean of its divisors is an integer number (261808984).

Almost surely, 2^523617967 is an apocalyptic number.

523617967 is a deficient number, since it is larger than the sum of its proper divisors (1).

523617967 is an equidigital number, since it uses as much as digits as its factorization.

523617967 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 46.

The square root of 523617967 is about 22882.7001684679. The cubic root of 523617967 is about 806.0058242452.

The spelling of 523617967 in words is "five hundred twenty-three million, six hundred seventeen thousand, nine hundred sixty-seven".