97648933 has 2 divisors, whose sum is σ = 97648934. Its totient is φ = 97648932.

The previous prime is 97648913. The next prime is 97648951. The reversal of 97648933 is 33984679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77739489 + 19909444 = 8817^2 + 4462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97648933 is a prime.

It is a super-3 number, since 3×97648933³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97648913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48824466 + 48824467.

It is an arithmetic number, because the mean of its divisors is an integer number (48824467).

Almost surely, 2^97648933 is an apocalyptic number.

It is an amenable number.

97648933 is a deficient number, since it is larger than the sum of its proper divisors (1).

97648933 is an equidigital number, since it uses as much as digits as its factorization.

97648933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 49.

The square root of 97648933 is about 9881.7474669210. The cubic root of 97648933 is about 460.4924357912.

The spelling of 97648933 in words is "ninety-seven million, six hundred forty-eight thousand, nine hundred thirty-three".