523079 has 4 divisors (see below), whose sum is σ = 528360. Its totient is φ = 517800.

The previous prime is 523049. The next prime is 523093. The reversal of 523079 is 970325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523079 - 2¹² = 518983 is a prime.

It is a super-2 number, since 2×523079² = 547223280482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489 + ... + 2690.

It is an arithmetic number, because the mean of its divisors is an integer number (132090).

2⁵²³⁰⁷⁹ is an apocalyptic number.

523079 is a deficient number, since it is larger than the sum of its proper divisors (5281).

523079 is a wasteful number, since it uses less digits than its factorization.

523079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5280.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 523079 is about 723.2420065234. The cubic root of 523079 is about 80.5729185104.

The spelling of 523079 in words is "five hundred twenty-three thousand, seventy-nine".