523797 has 4 divisors (see below), whose sum is σ = 698400. Its totient is φ = 349196.

The previous prime is 523793. The next prime is 523801. The reversal of 523797 is 797325.

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 an interprime number because it is at equal distance from previous prime (523793) and next prime (523801).

It is a cyclic number.

It is not a de Polignac number, because 523797 - 2² = 523793 is a prime.

It is an Ulam number.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87297 + ... + 87302.

It is an arithmetic number, because the mean of its divisors is an integer number (174600).

2⁵²³⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

523797 is a deficient number, since it is larger than the sum of its proper divisors (174603).

523797 is a wasteful number, since it uses less digits than its factorization.

523797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174602.

The product of its digits is 13230, while the sum is 33.

The square root of 523797 is about 723.7382123392. The cubic root of 523797 is about 80.6097675688.

The spelling of 523797 in words is "five hundred twenty-three thousand, seven hundred ninety-seven".