97804933 has 2 divisors, whose sum is σ = 97804934. Its totient is φ = 97804932.

The previous prime is 97804921. The next prime is 97804939. The reversal of 97804933 is 33940879.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88792929 + 9012004 = 9423^2 + 3002^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97804933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97804933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97804939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48902466 + 48902467.

It is an arithmetic number, because the mean of its divisors is an integer number (48902467).

Almost surely, 2^97804933 is an apocalyptic number.

It is an amenable number.

97804933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97804933 is an equidigital number, since it uses as much as digits as its factorization.

97804933 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 97804933 is about 9889.6376576698. The cubic root of 97804933 is about 460.7375267074.

The spelling of 97804933 in words is "ninety-seven million, eight hundred four thousand, nine hundred thirty-three".