247202201 has 2 divisors, whose sum is σ = 247202202. Its totient is φ = 247202200.

The previous prime is 247202173. The next prime is 247202203. The reversal of 247202201 is 102202742.

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., 152646025 + 94556176 = 12355^2 + 9724^2 .

It is a cyclic number.

It is not a de Polignac number, because 247202201 - 2¹⁴ = 247185817 is a prime.

It is a super-2 number, since 2×247202201² = 122217856358488802, which contains 22 as substring.

Together with 247202203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (247202203) 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, 123601100 + 123601101.

It is an arithmetic number, because the mean of its divisors is an integer number (123601101).

Almost surely, 2^247202201 is an apocalyptic number.

It is an amenable number.

247202201 is a deficient number, since it is larger than the sum of its proper divisors (1).

247202201 is an equidigital number, since it uses as much as digits as its factorization.

247202201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 247202201 is about 15722.6652002770. The cubic root of 247202201 is about 627.6016996798.

Adding to 247202201 its reverse (102202742), we get a palindrome (349404943).

The spelling of 247202201 in words is "two hundred forty-seven million, two hundred two thousand, two hundred one".