97742201 has 2 divisors, whose sum is σ = 97742202. Its totient is φ = 97742200.

The previous prime is 97742189. The next prime is 97742219. The reversal of 97742201 is 10224779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97515625 + 226576 = 9875^2 + 476^2 .

It is an emirp because it is prime and its reverse (10224779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97742201 - 2²² = 93547897 is a prime.

It is not a weakly prime, because it can be changed into another prime (97742501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48871100 + 48871101.

It is an arithmetic number, because the mean of its divisors is an integer number (48871101).

Almost surely, 2^97742201 is an apocalyptic number.

It is an amenable number.

97742201 is a deficient number, since it is larger than the sum of its proper divisors (1).

97742201 is an equidigital number, since it uses as much as digits as its factorization.

97742201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 97742201 is about 9886.4655463922. The cubic root of 97742201 is about 460.6390000881.

The spelling of 97742201 in words is "ninety-seven million, seven hundred forty-two thousand, two hundred one".