2785096261 has 2 divisors, whose sum is σ = 2785096262. Its totient is φ = 2785096260.

The previous prime is 2785096217. The next prime is 2785096271. The reversal of 2785096261 is 1626905872.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2214173025 + 570923236 = 47055^2 + 23894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2785096261 - 2¹⁵ = 2785063493 is a prime.

It is a super-2 number, since 2×2785096261² = 15513522366072360242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2785096201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392548130 + 1392548131.

It is an arithmetic number, because the mean of its divisors is an integer number (1392548131).

Almost surely, 2^2785096261 is an apocalyptic number.

It is an amenable number.

2785096261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2785096261 is an equidigital number, since it uses as much as digits as its factorization.

2785096261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2785096261 is about 52774.0112271182. The cubic root of 2785096261 is about 1406.9545557963.

The spelling of 2785096261 in words is "two billion, seven hundred eighty-five million, ninety-six thousand, two hundred sixty-one".