97306481 has 2 divisors, whose sum is σ = 97306482. Its totient is φ = 97306480.

The previous prime is 97306457. The next prime is 97306493. The reversal of 97306481 is 18460379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 12666481 = 9200^2 + 3559^2 .

It is a cyclic number.

It is not a de Polignac number, because 97306481 - 2²⁶ = 30197617 is a prime.

It is a super-2 number, since 2×97306481² = 18937102489206722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97306081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48653240 + 48653241.

It is an arithmetic number, because the mean of its divisors is an integer number (48653241).

Almost surely, 2^97306481 is an apocalyptic number.

It is an amenable number.

97306481 is a deficient number, since it is larger than the sum of its proper divisors (1).

97306481 is an equidigital number, since it uses as much as digits as its factorization.

97306481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 97306481 is about 9864.4047463595. The cubic root of 97306481 is about 459.9534940382.

The spelling of 97306481 in words is "ninety-seven million, three hundred six thousand, four hundred eighty-one".