264323531 has 8 divisors (see below), whose sum is σ = 281421504. Its totient is φ = 247397760.

The previous prime is 264323519. The next prime is 264323533. The reversal of 264323531 is 135323462.

264323531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 264323531 - 2¹⁸ = 264061387 is a prime.

It is a super-2 number, since 2×264323531² = 139733858080615922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 264323494 and 264323503.

It is not an unprimeable number, because it can be changed into a prime (264323533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39875 + ... + 46028.

It is an arithmetic number, because the mean of its divisors is an integer number (35177688).

Almost surely, 2^264323531 is an apocalyptic number.

264323531 is a deficient number, since it is larger than the sum of its proper divisors (17097973).

264323531 is a wasteful number, since it uses less digits than its factorization.

264323531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86101.

The product of its digits is 12960, while the sum is 29.

The square root of 264323531 is about 16258.0297391781. The cubic root of 264323531 is about 641.7688137677.

Adding to 264323531 its reverse (135323462), we get a palindrome (399646993).

The spelling of 264323531 in words is "two hundred sixty-four million, three hundred twenty-three thousand, five hundred thirty-one".