197367913 has 4 divisors (see below), whose sum is σ = 199585620. Its totient is φ = 195150208.

The previous prime is 197367901. The next prime is 197367931. The reversal of 197367913 is 319763791.

197367913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39538944 + 157828969 = 6288^2 + 12563^2 .

It is a cyclic number.

It is not a de Polignac number, because 197367913 - 2¹⁷ = 197236841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197367013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108720 + ... + 1108897.

It is an arithmetic number, because the mean of its divisors is an integer number (49896405).

Almost surely, 2^197367913 is an apocalyptic number.

It is an amenable number.

197367913 is a deficient number, since it is larger than the sum of its proper divisors (2217707).

197367913 is an equidigital number, since it uses as much as digits as its factorization.

197367913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217706.

The product of its digits is 214326, while the sum is 46.

The square root of 197367913 is about 14048.7690919881. The cubic root of 197367913 is about 582.2267875783.

The spelling of 197367913 in words is "one hundred ninety-seven million, three hundred sixty-seven thousand, nine hundred thirteen".