97493983 has 2 divisors, whose sum is σ = 97493984. Its totient is φ = 97493982.

The previous prime is 97493971. The next prime is 97494037. The reversal of 97493983 is 38939479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97493983 - 2⁵ = 97493951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97493983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97413983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48746991 + 48746992.

It is an arithmetic number, because the mean of its divisors is an integer number (48746992).

Almost surely, 2^97493983 is an apocalyptic number.

97493983 is a deficient number, since it is larger than the sum of its proper divisors (1).

97493983 is an equidigital number, since it uses as much as digits as its factorization.

97493983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 97493983 is about 9873.9041417263. The cubic root of 97493983 is about 460.2487359870.

The spelling of 97493983 in words is "ninety-seven million, four hundred ninety-three thousand, nine hundred eighty-three".