97200281 has 2 divisors, whose sum is σ = 97200282. Its totient is φ = 97200280.

The previous prime is 97200263. The next prime is 97200287. The reversal of 97200281 is 18200279.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97199881 + 400 = 9859^2 + 20^2 .

It is an emirp because it is prime and its reverse (18200279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97200281 - 2¹⁰ = 97199257 is a prime.

It is a super-2 number, since 2×97200281² = 18895789252957922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (97200287) 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, 48600140 + 48600141.

It is an arithmetic number, because the mean of its divisors is an integer number (48600141).

Almost surely, 2^97200281 is an apocalyptic number.

It is an amenable number.

97200281 is a deficient number, since it is larger than the sum of its proper divisors (1).

97200281 is an equidigital number, since it uses as much as digits as its factorization.

97200281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 97200281 is about 9859.0202860122. The cubic root of 97200281 is about 459.7861025076.

The spelling of 97200281 in words is "ninety-seven million, two hundred thousand, two hundred eighty-one".