264331 has 2 divisors, whose sum is σ = 264332. Its totient is φ = 264330.

The previous prime is 264323. The next prime is 264343. The reversal of 264331 is 133462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264331 - 2³ = 264323 is a prime.

It is a super-2 number, since 2×264331² = 139741755122, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁹ + 6³ + 3⁶ + 4⁹ + 3⁶ + 1 .

It is a junction number, because it is equal to n+sod(n) for n = 264299 and 264308.

It is not a weakly prime, because it can be changed into another prime (264301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132165 + 132166.

It is an arithmetic number, because the mean of its divisors is an integer number (132166).

264331 is a Friedman number, since it can be written as 4^3^2+3^(6+1), using all its digits and the basic arithmetic operations.

2²⁶⁴³³¹ is an apocalyptic number.

264331 is a deficient number, since it is larger than the sum of its proper divisors (1).

264331 is an equidigital number, since it uses as much as digits as its factorization.

264331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 264331 is about 514.1313061855. The cubic root of 264331 is about 64.1774858539.

Adding to 264331 its reverse (133462), we get a palindrome (397793).

It can be divided in two parts, 264 and 331, that added together give a palindrome (595).

The spelling of 264331 in words is "two hundred sixty-four thousand, three hundred thirty-one".