523539073 has 4 divisors (see below), whose sum is σ = 525244720. Its totient is φ = 521833428.

The previous prime is 523539047. The next prime is 523539077. The reversal of 523539073 is 370935325.

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 523539073 - 2¹⁷ = 523408001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523539077) 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, 852363 + ... + 852976.

It is an arithmetic number, because the mean of its divisors is an integer number (131311180).

Almost surely, 2^523539073 is an apocalyptic number.

It is an amenable number.

523539073 is a deficient number, since it is larger than the sum of its proper divisors (1705647).

523539073 is a wasteful number, since it uses less digits than its factorization.

523539073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705646.

The product of its (nonzero) digits is 85050, while the sum is 37.

The square root of 523539073 is about 22880.9762248030. The cubic root of 523539073 is about 805.9653416660.

The spelling of 523539073 in words is "five hundred twenty-three million, five hundred thirty-nine thousand, seventy-three".