97683491 has 2 divisors, whose sum is σ = 97683492. Its totient is φ = 97683490.

The previous prime is 97683457. The next prime is 97683493. The reversal of 97683491 is 19438679.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97683491 - 2¹⁰ = 97682467 is a prime.

Together with 97683493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97683493) 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, 48841745 + 48841746.

It is an arithmetic number, because the mean of its divisors is an integer number (48841746).

Almost surely, 2^97683491 is an apocalyptic number.

97683491 is a deficient number, since it is larger than the sum of its proper divisors (1).

97683491 is an equidigital number, since it uses as much as digits as its factorization.

97683491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 97683491 is about 9883.4958896131. The cubic root of 97683491 is about 460.5467522088.

The spelling of 97683491 in words is "ninety-seven million, six hundred eighty-three thousand, four hundred ninety-one".