526497 has 4 divisors (see below), whose sum is σ = 702000. Its totient is φ = 350996.

The previous prime is 526483. The next prime is 526499. The reversal of 526497 is 794625.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 526497 - 2¹⁵ = 493729 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (526499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87747 + ... + 87752.

It is an arithmetic number, because the mean of its divisors is an integer number (175500).

2⁵²⁶⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

526497 is a deficient number, since it is larger than the sum of its proper divisors (175503).

526497 is a wasteful number, since it uses less digits than its factorization.

526497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175502.

The product of its digits is 15120, while the sum is 33.

The square root of 526497 is about 725.6011300983. The cubic root of 526497 is about 80.7480358131.

The spelling of 526497 in words is "five hundred twenty-six thousand, four hundred ninety-seven".