2261213039 has 2 divisors, whose sum is σ = 2261213040. Its totient is φ = 2261213038.

The previous prime is 2261212999. The next prime is 2261213063. The reversal of 2261213039 is 9303121622.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2261213039 is a prime.

It is a super-2 number, since 2×2261213039² = 10226168815487231042, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261213089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130606519 + 1130606520.

It is an arithmetic number, because the mean of its divisors is an integer number (1130606520).

Almost surely, 2^2261213039 is an apocalyptic number.

2261213039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261213039 is an equidigital number, since it uses as much as digits as its factorization.

2261213039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 2261213039 is about 47552.2138180758. The cubic root of 2261213039 is about 1312.5438670025.

The spelling of 2261213039 in words is "two billion, two hundred sixty-one million, two hundred thirteen thousand, thirty-nine".