197241251327 has 4 divisors (see below), whose sum is σ = 197243418120. Its totient is φ = 197239084536.

The previous prime is 197241251323. The next prime is 197241251359. The reversal of 197241251327 is 723152142791.

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

It is a cyclic number.

It is not a de Polignac number, because 197241251327 - 2² = 197241251323 is a prime.

It is a super-2 number, since 2×197241251327² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197241251323) 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, 940577 + ... + 1131002.

It is an arithmetic number, because the mean of its divisors is an integer number (49310854530).

Almost surely, 2^197241251327 is an apocalyptic number.

197241251327 is a deficient number, since it is larger than the sum of its proper divisors (2166793).

197241251327 is an equidigital number, since it uses as much as digits as its factorization.

197241251327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166792.

The product of its digits is 211680, while the sum is 44.

The spelling of 197241251327 in words is "one hundred ninety-seven billion, two hundred forty-one million, two hundred fifty-one thousand, three hundred twenty-seven".