97019983 has 2 divisors, whose sum is σ = 97019984. Its totient is φ = 97019982.

The previous prime is 97019977. The next prime is 97020017. The reversal of 97019983 is 38991079.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97019983 - 2¹³ = 97011791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97019933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48509991 + 48509992.

It is an arithmetic number, because the mean of its divisors is an integer number (48509992).

Almost surely, 2^97019983 is an apocalyptic number.

97019983 is a deficient number, since it is larger than the sum of its proper divisors (1).

97019983 is an equidigital number, since it uses as much as digits as its factorization.

97019983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 97019983 is about 9849.8722326739. The cubic root of 97019983 is about 459.5016389127.

The spelling of 97019983 in words is "ninety-seven million, nineteen thousand, nine hundred eighty-three".