97381243 has 2 divisors, whose sum is σ = 97381244. Its totient is φ = 97381242.

The previous prime is 97381171. The next prime is 97381301. The reversal of 97381243 is 34218379.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97381243 - 2¹³ = 97373051 is a prime.

It is not a weakly prime, because it can be changed into another prime (97381643) 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, 48690621 + 48690622.

It is an arithmetic number, because the mean of its divisors is an integer number (48690622).

Almost surely, 2^97381243 is an apocalyptic number.

97381243 is a deficient number, since it is larger than the sum of its proper divisors (1).

97381243 is an equidigital number, since it uses as much as digits as its factorization.

97381243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 97381243 is about 9868.1935023590. The cubic root of 97381243 is about 460.0712602268.

The spelling of 97381243 in words is "ninety-seven million, three hundred eighty-one thousand, two hundred forty-three".