2261010265 has 16 divisors (see below), whose sum is σ = 2840196096. Its totient is φ = 1725796800.

The previous prime is 2261010253. The next prime is 2261010281. The reversal of 2261010265 is 5620101622.

It is not a de Polignac number, because 2261010265 - 2¹⁵ = 2260977497 is a prime.

It is a super-2 number, since 2×2261010265² = 10224334836870740450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91722 + ... + 113731.

It is an arithmetic number, because the mean of its divisors is an integer number (177512256).

Almost surely, 2^2261010265 is an apocalyptic number.

It is an amenable number.

2261010265 is a deficient number, since it is larger than the sum of its proper divisors (579185831).

2261010265 is a wasteful number, since it uses less digits than its factorization.

2261010265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205560.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2261010265 is about 47550.0816508237. The cubic root of 2261010265 is about 1312.5046317599.

Adding to 2261010265 its reverse (5620101622), we get a palindrome (7881111887).

The spelling of 2261010265 in words is "two billion, two hundred sixty-one million, ten thousand, two hundred sixty-five".