9455681 has 2 divisors, whose sum is σ = 9455682. Its totient is φ = 9455680.

The previous prime is 9455623. The next prime is 9455717. The reversal of 9455681 is 1865549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5290000 + 4165681 = 2300^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 9455681 - 2¹⁰ = 9454657 is a prime.

It is a super-2 number, since 2×9455681² = 178819806347522, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (9455581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4727840 + 4727841.

It is an arithmetic number, because the mean of its divisors is an integer number (4727841).

Almost surely, 2^9455681 is an apocalyptic number.

It is an amenable number.

9455681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9455681 is an equidigital number, since it uses as much as digits as its factorization.

9455681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 38.

The square root of 9455681 is about 3075.0091056776. The cubic root of 9455681 is about 211.4613192996.

The spelling of 9455681 in words is "nine million, four hundred fifty-five thousand, six hundred eighty-one".