2147265505 has 24 divisors (see below), whose sum is σ = 3269903040. Its totient is φ = 1338553440.

The previous prime is 2147265469. The next prime is 2147265539. The reversal of 2147265505 is 5055627412.

It is not a de Polignac number, because 2147265505 - 2⁷ = 2147265377 is a prime.

It is a super-2 number, since 2×2147265505² = 9221498297925810050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 395685 + ... + 401074.

It is an arithmetic number, because the mean of its divisors is an integer number (136245960).

Almost surely, 2^2147265505 is an apocalyptic number.

It is an amenable number.

2147265505 is a deficient number, since it is larger than the sum of its proper divisors (1122637535).

2147265505 is a wasteful number, since it uses less digits than its factorization.

2147265505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796789 (or 796782 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 2147265505 is about 46338.5962778330. The cubic root of 2147265505 is about 1290.1154685015.

The spelling of 2147265505 in words is "two billion, one hundred forty-seven million, two hundred sixty-five thousand, five hundred five".