526997 has 2 divisors, whose sum is σ = 526998. Its totient is φ = 526996.

The previous prime is 526993. The next prime is 527053. The reversal of 526997 is 799625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 498436 + 28561 = 706^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 526997 - 2² = 526993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 526997.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 526997.

It is not a weakly prime, because it can be changed into another prime (526993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263498 + 263499.

It is an arithmetic number, because the mean of its divisors is an integer number (263499).

2⁵²⁶⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

526997 is a deficient number, since it is larger than the sum of its proper divisors (1).

526997 is an equidigital number, since it uses as much as digits as its factorization.

526997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 526997 is about 725.9455902476. The cubic root of 526997 is about 80.7735891363.

The spelling of 526997 in words is "five hundred twenty-six thousand, nine hundred ninety-seven".