197882651 has 4 divisors (see below), whose sum is σ = 198450000. Its totient is φ = 197315304.

The previous prime is 197882647. The next prime is 197882653. The reversal of 197882651 is 156288791.

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 197882651 - 2² = 197882647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197882596 and 197882605.

It is not an unprimeable number, because it can be changed into a prime (197882653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283151 + ... + 283848.

It is an arithmetic number, because the mean of its divisors is an integer number (49612500).

Almost surely, 2^197882651 is an apocalyptic number.

197882651 is a deficient number, since it is larger than the sum of its proper divisors (567349).

197882651 is an equidigital number, since it uses as much as digits as its factorization.

197882651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567348.

The product of its digits is 241920, while the sum is 47.

The square root of 197882651 is about 14067.0768463103. The cubic root of 197882651 is about 582.7324997936.

The spelling of 197882651 in words is "one hundred ninety-seven million, eight hundred eighty-two thousand, six hundred fifty-one".