2261131603 has 2 divisors, whose sum is σ = 2261131604. Its totient is φ = 2261131602.

The previous prime is 2261131577. The next prime is 2261131627. The reversal of 2261131603 is 3061311622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261131603 - 2⁵ = 2261131571 is a prime.

It is a super-2 number, since 2×2261131603² = 10225432252170699218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2261131693) 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 as a sum of consecutive naturals, namely, 1130565801 + 1130565802.

It is an arithmetic number, because the mean of its divisors is an integer number (1130565802).

Almost surely, 2^2261131603 is an apocalyptic number.

2261131603 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261131603 is an equidigital number, since it uses as much as digits as its factorization.

2261131603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2261131603 is about 47551.3575305690. The cubic root of 2261131603 is about 1312.5281100314.

The spelling of 2261131603 in words is "two billion, two hundred sixty-one million, one hundred thirty-one thousand, six hundred three".