197125801 has 4 divisors (see below), whose sum is σ = 205696512. Its totient is φ = 188555092.

The previous prime is 197125781. The next prime is 197125813. The reversal of 197125801 is 108521791.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 197125801 - 2⁹ = 197125289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197125861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4285321 + ... + 4285366.

It is an arithmetic number, because the mean of its divisors is an integer number (51424128).

Almost surely, 2^197125801 is an apocalyptic number.

It is an amenable number.

197125801 is a deficient number, since it is larger than the sum of its proper divisors (8570711).

197125801 is an equidigital number, since it uses as much as digits as its factorization.

197125801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570710.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 197125801 is about 14040.1496074650. The cubic root of 197125801 is about 581.9886168619.

It can be divided in two parts, 1971 and 25801, that added together give a palindrome (27772).

The spelling of 197125801 in words is "one hundred ninety-seven million, one hundred twenty-five thousand, eight hundred one".