523325197 has 2 divisors, whose sum is σ = 523325198. Its totient is φ = 523325196.

The previous prime is 523325191. The next prime is 523325207. The reversal of 523325197 is 791523325.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324684361 + 198640836 = 18019^2 + 14094^2 .

It is a cyclic number.

It is not a de Polignac number, because 523325197 - 2⁷ = 523325069 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523325191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261662598 + 261662599.

It is an arithmetic number, because the mean of its divisors is an integer number (261662599).

Almost surely, 2^523325197 is an apocalyptic number.

It is an amenable number.

523325197 is a deficient number, since it is larger than the sum of its proper divisors (1).

523325197 is an equidigital number, since it uses as much as digits as its factorization.

523325197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 37.

The square root of 523325197 is about 22876.3020831602. The cubic root of 523325197 is about 805.8555758238.

The spelling of 523325197 in words is "five hundred twenty-three million, three hundred twenty-five thousand, one hundred ninety-seven".