199401701 has 2 divisors, whose sum is σ = 199401702. Its totient is φ = 199401700.

The previous prime is 199401689. The next prime is 199401733. The reversal of 199401701 is 107104991.

It is a happy number.

199401701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (199401733) can be obtained adding 199401701 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 65189476 = 11585^2 + 8074^2 .

It is a cyclic number.

It is not a de Polignac number, because 199401701 - 2¹⁴ = 199385317 is a prime.

It is a super-2 number, since 2×199401701² = 79522076723386802, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199401101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99700850 + 99700851.

It is an arithmetic number, because the mean of its divisors is an integer number (99700851).

Almost surely, 2^199401701 is an apocalyptic number.

It is an amenable number.

199401701 is a deficient number, since it is larger than the sum of its proper divisors (1).

199401701 is an equidigital number, since it uses as much as digits as its factorization.

199401701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 199401701 is about 14120.9667161990. The cubic root of 199401701 is about 584.2198195522.

The spelling of 199401701 in words is "one hundred ninety-nine million, four hundred one thousand, seven hundred one".