196497473 has 2 divisors, whose sum is σ = 196497474. Its totient is φ = 196497472.

The previous prime is 196497463. The next prime is 196497481. The reversal of 196497473 is 374794691.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170354704 + 26142769 = 13052^2 + 5113^2 .

It is an emirp because it is prime and its reverse (374794691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 196497473 - 2²² = 192303169 is a prime.

It is a super-2 number, since 2×196497473² = 77222513790771458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196497403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98248736 + 98248737.

It is an arithmetic number, because the mean of its divisors is an integer number (98248737).

Almost surely, 2^196497473 is an apocalyptic number.

It is an amenable number.

196497473 is a deficient number, since it is larger than the sum of its proper divisors (1).

196497473 is an equidigital number, since it uses as much as digits as its factorization.

196497473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 50.

The square root of 196497473 is about 14017.7556334814. The cubic root of 196497473 is about 581.3696061261.

The spelling of 196497473 in words is "one hundred ninety-six million, four hundred ninety-seven thousand, four hundred seventy-three".