526993 has 2 divisors, whose sum is σ = 526994. Its totient is φ = 526992.

The previous prime is 526963. The next prime is 526997. The reversal of 526993 is 399625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327184 + 199809 = 572^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 526993 - 2¹³ = 518801 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (526997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263496 + 263497.

It is an arithmetic number, because the mean of its divisors is an integer number (263497).

2⁵²⁶⁹⁹³ is an apocalyptic number.

It is an amenable number.

526993 is a deficient number, since it is larger than the sum of its proper divisors (1).

526993 is an equidigital number, since it uses as much as digits as its factorization.

526993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 34.

The square root of 526993 is about 725.9428352150. The cubic root of 526993 is about 80.7733847739.

The spelling of 526993 in words is "five hundred twenty-six thousand, nine hundred ninety-three".