97273159 has 2 divisors, whose sum is σ = 97273160. Its totient is φ = 97273158.

The previous prime is 97273147. The next prime is 97273177. The reversal of 97273159 is 95137279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97273159 - 2¹³ = 97264967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97273109) 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, 48636579 + 48636580.

It is an arithmetic number, because the mean of its divisors is an integer number (48636580).

Almost surely, 2^97273159 is an apocalyptic number.

97273159 is a deficient number, since it is larger than the sum of its proper divisors (1).

97273159 is an equidigital number, since it uses as much as digits as its factorization.

97273159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 43.

The square root of 97273159 is about 9862.7155996713. The cubic root of 97273159 is about 459.9009853049.

The spelling of 97273159 in words is "ninety-seven million, two hundred seventy-three thousand, one hundred fifty-nine".