197570801 has 2 divisors, whose sum is σ = 197570802. Its totient is φ = 197570800.

The previous prime is 197570783. The next prime is 197570839. The reversal of 197570801 is 108075791.

It is an a-pointer prime, because the next prime (197570839) can be obtained adding 197570801 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147501025 + 50069776 = 12145^2 + 7076^2 .

It is an emirp because it is prime and its reverse (108075791) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197570801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197570201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98785400 + 98785401.

It is an arithmetic number, because the mean of its divisors is an integer number (98785401).

Almost surely, 2^197570801 is an apocalyptic number.

It is an amenable number.

197570801 is a deficient number, since it is larger than the sum of its proper divisors (1).

197570801 is an equidigital number, since it uses as much as digits as its factorization.

197570801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 38.

The square root of 197570801 is about 14055.9880833757. The cubic root of 197570801 is about 582.4262228578.

The spelling of 197570801 in words is "one hundred ninety-seven million, five hundred seventy thousand, eight hundred one".