523995 has 16 divisors (see below), whose sum is σ = 847392. Its totient is φ = 276480.

The previous prime is 523987. The next prime is 523997. The reversal of 523995 is 599325.

It is not a de Polignac number, because 523995 - 2³ = 523987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619 + ... + 2811.

It is an arithmetic number, because the mean of its divisors is an integer number (52962).

2⁵²³⁹⁹⁵ is an apocalyptic number.

523995 is a deficient number, since it is larger than the sum of its proper divisors (323397).

523995 is a wasteful number, since it uses less digits than its factorization.

523995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382.

The product of its digits is 12150, while the sum is 33.

The square root of 523995 is about 723.8749892074. The cubic root of 523995 is about 80.6199233628.

The spelling of 523995 in words is "five hundred twenty-three thousand, nine hundred ninety-five".