264650465 has 8 divisors (see below), whose sum is σ = 323572968. Its totient is φ = 207725440.

The previous prime is 264650431. The next prime is 264650497. The reversal of 264650465 is 564056462.

It can be written as a sum of positive squares in 4 ways, for example, as 22287841 + 242362624 = 4721^2 + 15568^2 .

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

It is not a de Polignac number, because 264650465 - 2⁸ = 264650209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499076 + ... + 499605.

It is an arithmetic number, because the mean of its divisors is an integer number (40446621).

Almost surely, 2^264650465 is an apocalyptic number.

It is an amenable number.

264650465 is a deficient number, since it is larger than the sum of its proper divisors (58922503).

264650465 is an equidigital number, since it uses as much as digits as its factorization.

264650465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998739.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 264650465 is about 16268.0811714228. The cubic root of 264650465 is about 642.0332997417.

The spelling of 264650465 in words is "two hundred sixty-four million, six hundred fifty thousand, four hundred sixty-five".