2261512359 has 8 divisors (see below), whose sum is σ = 3350388720. Its totient is φ = 1507674888.

The previous prime is 2261512291. The next prime is 2261512361. The reversal of 2261512359 is 9532151622.

It is a happy number.

2261512359 is a `hidden beast` number, since 2 + 2 + 615 + 1 + 2 + 35 + 9 = 666.

It is not a de Polignac number, because 2261512359 - 2¹¹ = 2261510311 is a prime.

It is a super-2 number, since 2×2261512359² = 10228876299819489762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261516359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41879832 + ... + 41879885.

It is an arithmetic number, because the mean of its divisors is an integer number (418798590).

Almost surely, 2^2261512359 is an apocalyptic number.

2261512359 is a deficient number, since it is larger than the sum of its proper divisors (1088876361).

2261512359 is an equidigital number, since it uses as much as digits as its factorization.

2261512359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83759726 (or 83759720 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 2261512359 is about 47555.3609911648. The cubic root of 2261512359 is about 1312.6017788828.

The spelling of 2261512359 in words is "two billion, two hundred sixty-one million, five hundred twelve thousand, three hundred fifty-nine".