97281227 has 2 divisors, whose sum is σ = 97281228. Its totient is φ = 97281226.

The previous prime is 97281199. The next prime is 97281241. The reversal of 97281227 is 72218279.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97281227 - 2⁸ = 97280971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97281257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48640613 + 48640614.

It is an arithmetic number, because the mean of its divisors is an integer number (48640614).

Almost surely, 2^97281227 is an apocalyptic number.

97281227 is a deficient number, since it is larger than the sum of its proper divisors (1).

97281227 is an equidigital number, since it uses as much as digits as its factorization.

97281227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 97281227 is about 9863.1246063304. The cubic root of 97281227 is about 459.9136999414.

The spelling of 97281227 in words is "ninety-seven million, two hundred eighty-one thousand, two hundred twenty-seven".