2256245461 has 2 divisors, whose sum is σ = 2256245462. Its totient is φ = 2256245460.

The previous prime is 2256245449. The next prime is 2256245471. The reversal of 2256245461 is 1645426522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1759802500 + 496442961 = 41950^2 + 22281^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256245461 - 2⁵ = 2256245429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2256245461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256245401) 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 as a sum of consecutive naturals, namely, 1128122730 + 1128122731.

It is an arithmetic number, because the mean of its divisors is an integer number (1128122731).

Almost surely, 2^2256245461 is an apocalyptic number.

It is an amenable number.

2256245461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256245461 is an equidigital number, since it uses as much as digits as its factorization.

2256245461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 115200, while the sum is 37.

The square root of 2256245461 is about 47499.9522210286. The cubic root of 2256245461 is about 1311.5820020802.

The spelling of 2256245461 in words is "two billion, two hundred fifty-six million, two hundred forty-five thousand, four hundred sixty-one".