97551227 has 2 divisors, whose sum is σ = 97551228. Its totient is φ = 97551226.

The previous prime is 97551143. The next prime is 97551229. The reversal of 97551227 is 72215579.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 97551227 - 2¹⁰ = 97550203 is a prime.

Together with 97551229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97551229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48775613 + 48775614.

It is an arithmetic number, because the mean of its divisors is an integer number (48775614).

Almost surely, 2^97551227 is an apocalyptic number.

97551227 is a deficient number, since it is larger than the sum of its proper divisors (1).

97551227 is an equidigital number, since it uses as much as digits as its factorization.

97551227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 38.

The square root of 97551227 is about 9876.8024684105. The cubic root of 97551227 is about 460.3387973530.

The spelling of 97551227 in words is "ninety-seven million, five hundred fifty-one thousand, two hundred twenty-seven".