264509467 has 4 divisors (see below), whose sum is σ = 270137376. Its totient is φ = 258881560.

The previous prime is 264509461. The next prime is 264509471. The reversal of 264509467 is 764905462.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764905462 = 2 ⋅382452731.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264509467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264509461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2813884 + ... + 2813977.

It is an arithmetic number, because the mean of its divisors is an integer number (67534344).

Almost surely, 2^264509467 is an apocalyptic number.

264509467 is a deficient number, since it is larger than the sum of its proper divisors (5627909).

264509467 is an equidigital number, since it uses as much as digits as its factorization.

264509467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627908.

The product of its (nonzero) digits is 362880, while the sum is 43.

The square root of 264509467 is about 16263.7470159862. The cubic root of 264509467 is about 641.9192606545.

The spelling of 264509467 in words is "two hundred sixty-four million, five hundred nine thousand, four hundred sixty-seven".