197432801 has 4 divisors (see below), whose sum is σ = 197460912. Its totient is φ = 197404692.

The previous prime is 197432779. The next prime is 197432861. The reversal of 197432801 is 108234791.

197432801 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 197432801 - 2²⁶ = 130323937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197432861) 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, 6530 + ... + 20916.

It is an arithmetic number, because the mean of its divisors is an integer number (49365228).

Almost surely, 2^197432801 is an apocalyptic number.

It is an amenable number.

197432801 is a deficient number, since it is larger than the sum of its proper divisors (28111).

197432801 is a wasteful number, since it uses less digits than its factorization.

197432801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28110.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 197432801 is about 14051.0782860249. The cubic root of 197432801 is about 582.2905861829.

The spelling of 197432801 in words is "one hundred ninety-seven million, four hundred thirty-two thousand, eight hundred one".