2261375603 has 4 divisors (see below), whose sum is σ = 2261491920. Its totient is φ = 2261259288.

The previous prime is 2261375593. The next prime is 2261375651. The reversal of 2261375603 is 3065731622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2261375603 is a prime.

It is a super-2 number, since 2×2261375603² = 10227639235687227218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261375503) 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 3 ways as a sum of consecutive naturals, for example, 21143 + ... + 70496.

It is an arithmetic number, because the mean of its divisors is an integer number (565372980).

Almost surely, 2^2261375603 is an apocalyptic number.

2261375603 is a deficient number, since it is larger than the sum of its proper divisors (116317).

2261375603 is an equidigital number, since it uses as much as digits as its factorization.

2261375603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116316.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2261375603 is about 47553.9231084040. The cubic root of 2261375603 is about 1312.5753202187.

The spelling of 2261375603 in words is "two billion, two hundred sixty-one million, three hundred seventy-five thousand, six hundred three".