2261591059 has 8 divisors (see below), whose sum is σ = 2783496800. Its totient is φ = 1789390656.

The previous prime is 2261591053. The next prime is 2261591069. The reversal of 2261591059 is 9501951622.

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

It is a cyclic number.

It is not a de Polignac number, because 2261591059 - 2¹⁹ = 2261066771 is a prime.

It is a super-2 number, since 2×2261591059² = 10229588236297482962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2261591053) 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, 12426234 + ... + 12426415.

It is an arithmetic number, because the mean of its divisors is an integer number (347937100).

Almost surely, 2^2261591059 is an apocalyptic number.

2261591059 is a deficient number, since it is larger than the sum of its proper divisors (521905741).

2261591059 is a wasteful number, since it uses less digits than its factorization.

2261591059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24852669.

The product of its (nonzero) digits is 48600, while the sum is 40.

The square root of 2261591059 is about 47556.1884406225. The cubic root of 2261591059 is about 1312.6170047649.

The spelling of 2261591059 in words is "two billion, two hundred sixty-one million, five hundred ninety-one thousand, fifty-nine".