94957081 has 2 divisors, whose sum is σ = 94957082. Its totient is φ = 94957080.

The previous prime is 94957073. The next prime is 94957091. The reversal of 94957081 is 18075949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93779856 + 1177225 = 9684^2 + 1085^2 .

It is an emirp because it is prime and its reverse (18075949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94957081 - 2³ = 94957073 is a prime.

It is a super-2 number, since 2×94957081² = 18033694464081122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (94957021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47478540 + 47478541.

It is an arithmetic number, because the mean of its divisors is an integer number (47478541).

Almost surely, 2^94957081 is an apocalyptic number.

It is an amenable number.

94957081 is a deficient number, since it is larger than the sum of its proper divisors (1).

94957081 is an equidigital number, since it uses as much as digits as its factorization.

94957081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 94957081 is about 9744.5923978379. The cubic root of 94957081 is about 456.2215390766.

The spelling of 94957081 in words is "ninety-four million, nine hundred fifty-seven thousand, eighty-one".