9081257 has 2 divisors, whose sum is σ = 9081258. Its totient is φ = 9081256.

The previous prime is 9081227. The next prime is 9081269. The reversal of 9081257 is 7521809.

9081257 is digitally balanced in base 3, 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., 8042896 + 1038361 = 2836^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 9081257 - 2⁸ = 9081001 is a prime.

It is not a weakly prime, because it can be changed into another prime (9081227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4540628 + 4540629.

It is an arithmetic number, because the mean of its divisors is an integer number (4540629).

Almost surely, 2^9081257 is an apocalyptic number.

It is an amenable number.

9081257 is a deficient number, since it is larger than the sum of its proper divisors (1).

9081257 is an equidigital number, since it uses as much as digits as its factorization.

9081257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 9081257 is about 3013.5124024965. The cubic root of 9081257 is about 208.6325128031.

The spelling of 9081257 in words is "nine million, eighty-one thousand, two hundred fifty-seven".