523266 has 8 divisors (see below), whose sum is σ = 1046544. Its totient is φ = 174420.

The previous prime is 523261. The next prime is 523297. The reversal of 523266 is 662325.

It is a sphenic number, since it is the product of 3 distinct primes.

523266 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 5⁸ + 2⁶ + 2¹⁶ + 3¹⁰ + 6³ + 6⁵ .

It is not an unprimeable number, because it can be changed into a prime (523261) 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, 43600 + ... + 43611.

It is an arithmetic number, because the mean of its divisors is an integer number (130818).

2⁵²³²⁶⁶ is an apocalyptic number.

523266 is the 458-th centered pentagonal number.

523266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523266 is a wasteful number, since it uses less digits than its factorization.

523266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87216.

The product of its digits is 2160, while the sum is 24.

The square root of 523266 is about 723.3712739666. The cubic root of 523266 is about 80.5825189344.

The spelling of 523266 in words is "five hundred twenty-three thousand, two hundred sixty-six".