2261003599 has 2 divisors, whose sum is σ = 2261003600. Its totient is φ = 2261003598.

The previous prime is 2261003557. The next prime is 2261003603. The reversal of 2261003599 is 9953001622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261003599 - 2⁷ = 2261003471 is a prime.

It is a super-4 number, since 4×2261003599⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261003099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130501799 + 1130501800.

It is an arithmetic number, because the mean of its divisors is an integer number (1130501800).

Almost surely, 2^2261003599 is an apocalyptic number.

2261003599 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261003599 is an equidigital number, since it uses as much as digits as its factorization.

2261003599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 2261003599 is about 47550.0115562552. The cubic root of 2261003599 is about 1312.5033418993.

The spelling of 2261003599 in words is "two billion, two hundred sixty-one million, three thousand, five hundred ninety-nine".