197551082 has 4 divisors (see below), whose sum is σ = 296326626. Its totient is φ = 98775540.

The previous prime is 197551049. The next prime is 197551093. The reversal of 197551082 is 280155791.

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

It can be written as a sum of positive squares in only one way, i.e., 194630401 + 2920681 = 13951^2 + 1709^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49387769 + ... + 49387772.

Almost surely, 2^197551082 is an apocalyptic number.

197551082 is a deficient number, since it is larger than the sum of its proper divisors (98775544).

197551082 is an equidigital number, since it uses as much as digits as its factorization.

197551082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98775543.

The product of its (nonzero) digits is 25200, while the sum is 38.

The square root of 197551082 is about 14055.2866210547. The cubic root of 197551082 is about 582.4068454249.

The spelling of 197551082 in words is "one hundred ninety-seven million, five hundred fifty-one thousand, eighty-two".