2256582649 has 2 divisors, whose sum is σ = 2256582650. Its totient is φ = 2256582648.

The previous prime is 2256582547. The next prime is 2256582673. The reversal of 2256582649 is 9462856522.

2256582649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2208530025 + 48052624 = 46995^2 + 6932^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256582649 - 2¹⁷ = 2256451577 is a prime.

It is not a weakly prime, because it can be changed into another prime (2256582949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128291324 + 1128291325.

It is an arithmetic number, because the mean of its divisors is an integer number (1128291325).

Almost surely, 2^2256582649 is an apocalyptic number.

It is an amenable number.

2256582649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256582649 is an equidigital number, since it uses as much as digits as its factorization.

2256582649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 49.

The square root of 2256582649 is about 47503.5014393676. The cubic root of 2256582649 is about 1311.6473359414.

The spelling of 2256582649 in words is "two billion, two hundred fifty-six million, five hundred eighty-two thousand, six hundred forty-nine".