197345629 has 4 divisors (see below), whose sum is σ = 212526076. Its totient is φ = 182165184.

The previous prime is 197345611. The next prime is 197345651. The reversal of 197345629 is 926543791.

It is a happy number.

197345629 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 19123129 + 178222500 = 4373^2 + 13350^2 .

It is a cyclic number.

It is not a de Polignac number, because 197345629 - 2¹¹ = 197343581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197345429) 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, 7590204 + ... + 7590229.

It is an arithmetic number, because the mean of its divisors is an integer number (53131519).

Almost surely, 2^197345629 is an apocalyptic number.

It is an amenable number.

197345629 is a deficient number, since it is larger than the sum of its proper divisors (15180447).

197345629 is a wasteful number, since it uses less digits than its factorization.

197345629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15180446.

The product of its digits is 408240, while the sum is 46.

The square root of 197345629 is about 14047.9759752072. The cubic root of 197345629 is about 582.2048744756.

The spelling of 197345629 in words is "one hundred ninety-seven million, three hundred forty-five thousand, six hundred twenty-nine".