523297 has 2 divisors, whose sum is σ = 523298. Its totient is φ = 523296.

The previous prime is 523261. The next prime is 523307. The reversal of 523297 is 792325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463761 + 59536 = 681^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 523297 - 2⁷ = 523169 is a prime.

It is not a weakly prime, because it can be changed into another prime (523207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261648 + 261649.

It is an arithmetic number, because the mean of its divisors is an integer number (261649).

2⁵²³²⁹⁷ is an apocalyptic number.

It is an amenable number.

523297 is a deficient number, since it is larger than the sum of its proper divisors (1).

523297 is an equidigital number, since it uses as much as digits as its factorization.

523297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 28.

The square root of 523297 is about 723.3927010967. The cubic root of 523297 is about 80.5841102275.

Adding to 523297 its sum of digits (28), we get a palindrome (523325).

It can be divided in two parts, 5232 and 97, that added together give a square (5329 = 73²).

The spelling of 523297 in words is "five hundred twenty-three thousand, two hundred ninety-seven".