197305001 has 4 divisors (see below), whose sum is σ = 197347332. Its totient is φ = 197262672.

The previous prime is 197304983. The next prime is 197305019. The reversal of 197305001 is 100503791.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (197304983) and next prime (197305019).

It can be written as a sum of positive squares in 2 ways, for example, as 181710400 + 15594601 = 13480^2 + 3949^2 .

It is a cyclic number.

It is not a de Polignac number, because 197305001 - 2⁶ = 197304937 is a prime.

It is a super-2 number, since 2×197305001² = 77858526839220002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197305051) 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 in 3 ways as a sum of consecutive naturals, for example, 13166 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (49336833).

Almost surely, 2^197305001 is an apocalyptic number.

It is an amenable number.

197305001 is a deficient number, since it is larger than the sum of its proper divisors (42331).

197305001 is an equidigital number, since it uses as much as digits as its factorization.

197305001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42330.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 197305001 is about 14046.5298561602. The cubic root of 197305001 is about 582.1649184465.

Adding to 197305001 its reverse (100503791), we get a palindrome (297808792).

The spelling of 197305001 in words is "one hundred ninety-seven million, three hundred five thousand, one".