264550465 has 8 divisors (see below), whose sum is σ = 321285888. Its totient is φ = 209090160.

The previous prime is 264550463. The next prime is 264550469. The reversal of 264550465 is 564055462.

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

It is not a de Polignac number, because 264550465 - 2¹ = 264550463 is a prime.

It is a super-3 number, since 3×264550465³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264550463) 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 7 ways as a sum of consecutive naturals, for example, 318321 + ... + 319150.

It is an arithmetic number, because the mean of its divisors is an integer number (40160736).

Almost surely, 2^264550465 is an apocalyptic number.

It is an amenable number.

264550465 is a deficient number, since it is larger than the sum of its proper divisors (56735423).

264550465 is an equidigital number, since it uses as much as digits as its factorization.

264550465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637559.

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 264550465 is about 16265.0073778034. The cubic root of 264550465 is about 641.9524239871.

The spelling of 264550465 in words is "two hundred sixty-four million, five hundred fifty thousand, four hundred sixty-five".