264086231 has 4 divisors (see below), whose sum is σ = 264498864. Its totient is φ = 263673600.

The previous prime is 264086219. The next prime is 264086233. The reversal of 264086231 is 132680462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132680462 = 2 ⋅66340231.

It is a cyclic number.

It is not a de Polignac number, because 264086231 - 2⁶ = 264086167 is a prime.

It is a super-3 number, since 3×264086231³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264086233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205355 + ... + 206636.

It is an arithmetic number, because the mean of its divisors is an integer number (66124716).

Almost surely, 2^264086231 is an apocalyptic number.

264086231 is a deficient number, since it is larger than the sum of its proper divisors (412633).

264086231 is an equidigital number, since it uses as much as digits as its factorization.

264086231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412632.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 264086231 is about 16250.7301682109. The cubic root of 264086231 is about 641.5767040759.

The spelling of 264086231 in words is "two hundred sixty-four million, eighty-six thousand, two hundred thirty-one".