332813 has 4 divisors (see below), whose sum is σ = 358428. Its totient is φ = 307200.

The previous prime is 332803. The next prime is 332837. The reversal of 332813 is 318233.

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

It can be written as a sum of positive squares in 2 ways, for example, as 228484 + 104329 = 478^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 332813 - 2⁶ = 332749 is a prime.

It is a super-2 number, since 2×332813² = 221528985938, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12788 + ... + 12813.

It is an arithmetic number, because the mean of its divisors is an integer number (89607).

2³³²⁸¹³ is an apocalyptic number.

It is an amenable number.

332813 is a deficient number, since it is larger than the sum of its proper divisors (25615).

332813 is a wasteful number, since it uses less digits than its factorization.

332813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25614.

The product of its digits is 432, while the sum is 20.

The square root of 332813 is about 576.8994713119. The cubic root of 332813 is about 69.3000307479.

It can be divided in two parts, 3328 and 13, that multiplied together give a square (43264 = 208²).

The spelling of 332813 in words is "three hundred thirty-two thousand, eight hundred thirteen".