97583081 has 2 divisors, whose sum is σ = 97583082. Its totient is φ = 97583080.

The previous prime is 97583063. The next prime is 97583093. The reversal of 97583081 is 18038579.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52693081 + 44890000 = 7259^2 + 6700^2 .

It is a cyclic number.

It is not a de Polignac number, because 97583081 - 2¹⁴ = 97566697 is a prime.

It is a super-2 number, since 2×97583081² = 19044915394905122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (97583011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48791540 + 48791541.

It is an arithmetic number, because the mean of its divisors is an integer number (48791541).

Almost surely, 2^97583081 is an apocalyptic number.

It is an amenable number.

97583081 is a deficient number, since it is larger than the sum of its proper divisors (1).

97583081 is an equidigital number, since it uses as much as digits as its factorization.

97583081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 97583081 is about 9878.4149032120. The cubic root of 97583081 is about 460.3888976498.

The spelling of 97583081 in words is "ninety-seven million, five hundred eighty-three thousand, eighty-one".