2261085485 has 32 divisors (see below), whose sum is σ = 2853658080. Its totient is φ = 1717632000.

The previous prime is 2261085479. The next prime is 2261085487. The reversal of 2261085485 is 5845801622.

It is a happy number.

2261085485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 1095477604 + 1165607881 = 33098^2 + 34141^2 .

It is not a de Polignac number, because 2261085485 - 2²⁶ = 2193976621 is a prime.

It is a super-2 number, since 2×2261085485² = 10225015140955370450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261085487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2650319 + ... + 2651171.

It is an arithmetic number, because the mean of its divisors is an integer number (89176815).

Almost surely, 2^2261085485 is an apocalyptic number.

It is an amenable number.

2261085485 is a deficient number, since it is larger than the sum of its proper divisors (592572595).

2261085485 is a wasteful number, since it uses less digits than its factorization.

2261085485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 2261085485 is about 47550.8725997747. The cubic root of 2261085485 is about 1312.5191865374.

The spelling of 2261085485 in words is "two billion, two hundred sixty-one million, eighty-five thousand, four hundred eighty-five".