199462481 has 2 divisors, whose sum is σ = 199462482. Its totient is φ = 199462480.

The previous prime is 199462477. The next prime is 199462489. The reversal of 199462481 is 184264991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109516225 + 89946256 = 10465^2 + 9484^2 .

It is an emirp because it is prime and its reverse (184264991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199462481 - 2² = 199462477 is a prime.

It is a super-2 number, since 2×199462481² = 79570562653350722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199462489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99731240 + 99731241.

It is an arithmetic number, because the mean of its divisors is an integer number (99731241).

Almost surely, 2^199462481 is an apocalyptic number.

It is an amenable number.

199462481 is a deficient number, since it is larger than the sum of its proper divisors (1).

199462481 is an equidigital number, since it uses as much as digits as its factorization.

199462481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 44.

The square root of 199462481 is about 14123.1186711717. The cubic root of 199462481 is about 584.2791725621.

The spelling of 199462481 in words is "one hundred ninety-nine million, four hundred sixty-two thousand, four hundred eighty-one".