199527473 has 2 divisors, whose sum is σ = 199527474. Its totient is φ = 199527472.

The previous prime is 199527467. The next prime is 199527509. The reversal of 199527473 is 374725991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125171344 + 74356129 = 11188^2 + 8623^2 .

It is a cyclic number.

It is not a de Polignac number, because 199527473 - 2¹⁸ = 199265329 is a prime.

It is a super-2 number, since 2×199527473² = 79622424963531458, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (199527403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99763736 + 99763737.

It is an arithmetic number, because the mean of its divisors is an integer number (99763737).

Almost surely, 2^199527473 is an apocalyptic number.

It is an amenable number.

199527473 is a deficient number, since it is larger than the sum of its proper divisors (1).

199527473 is an equidigital number, since it uses as much as digits as its factorization.

199527473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476280, while the sum is 47.

The square root of 199527473 is about 14125.4193920039. The cubic root of 199527473 is about 584.3426253448.

The spelling of 199527473 in words is "one hundred ninety-nine million, five hundred twenty-seven thousand, four hundred seventy-three".