264505105 has 4 divisors (see below), whose sum is σ = 317406132. Its totient is φ = 211604080.

The previous prime is 264505103. The next prime is 264505127. The reversal of 264505105 is 501505462.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181494784 + 83010321 = 13472^2 + 9111^2 .

It is not a de Polignac number, because 264505105 - 2¹ = 264505103 is a prime.

It is a super-2 number, since 2×264505105² = 139925901142122050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264505103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26450506 + ... + 26450515.

It is an arithmetic number, because the mean of its divisors is an integer number (79351533).

Almost surely, 2^264505105 is an apocalyptic number.

It is an amenable number.

264505105 is a deficient number, since it is larger than the sum of its proper divisors (52901027).

264505105 is an equidigital number, since it uses as much as digits as its factorization.

264505105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52901026.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 264505105 is about 16263.6129134950. The cubic root of 264505105 is about 641.9157320257.

The spelling of 264505105 in words is "two hundred sixty-four million, five hundred five thousand, one hundred five".