9258500081 has 2 divisors, whose sum is σ = 9258500082. Its totient is φ = 9258500080.

The previous prime is 9258500023. The next prime is 9258500087. The reversal of 9258500081 is 1800058529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9231366400 + 27133681 = 96080^2 + 5209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9258500081 is a prime.

It is a super-2 number, since 2×9258500081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9258500087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4629250040 + 4629250041.

It is an arithmetic number, because the mean of its divisors is an integer number (4629250041).

Almost surely, 2^9258500081 is an apocalyptic number.

It is an amenable number.

9258500081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9258500081 is an equidigital number, since it uses as much as digits as its factorization.

9258500081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 9258500081 is about 96221.0999781233. The cubic root of 9258500081 is about 2099.8110246427.

The spelling of 9258500081 in words is "nine billion, two hundred fifty-eight million, five hundred thousand, eighty-one".