97288273 has 2 divisors, whose sum is σ = 97288274. Its totient is φ = 97288272.

The previous prime is 97288259. The next prime is 97288283. The reversal of 97288273 is 37288279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59490369 + 37797904 = 7713^2 + 6148^2 .

It is a cyclic number.

It is not a de Polignac number, because 97288273 - 2¹³ = 97280081 is a prime.

It is not a weakly prime, because it can be changed into another prime (97288283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48644136 + 48644137.

It is an arithmetic number, because the mean of its divisors is an integer number (48644137).

Almost surely, 2^97288273 is an apocalyptic number.

It is an amenable number.

97288273 is a deficient number, since it is larger than the sum of its proper divisors (1).

97288273 is an equidigital number, since it uses as much as digits as its factorization.

97288273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 97288273 is about 9863.4817889019. The cubic root of 97288273 is about 459.9248033982.

The spelling of 97288273 in words is "ninety-seven million, two hundred eighty-eight thousand, two hundred seventy-three".