9054781 has 2 divisors, whose sum is σ = 9054782. Its totient is φ = 9054780.

The previous prime is 9054769. The next prime is 9054797. The reversal of 9054781 is 1874509.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7338681 + 1716100 = 2709^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 9054781 - 2⁷ = 9054653 is a prime.

It is a super-2 number, since 2×9054781² = 163978117915922, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

9054781 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9054281) 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, 4527390 + 4527391.

It is an arithmetic number, because the mean of its divisors is an integer number (4527391).

Almost surely, 2^9054781 is an apocalyptic number.

It is an amenable number.

9054781 is a deficient number, since it is larger than the sum of its proper divisors (1).

9054781 is an equidigital number, since it uses as much as digits as its factorization.

9054781 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 9054781 is about 3009.1163154654. The cubic root of 9054781 is about 208.4295625138.

The spelling of 9054781 in words is "nine million, fifty-four thousand, seven hundred eighty-one".