201000049 has 2 divisors, whose sum is σ = 201000050. Its totient is φ = 201000048.

The previous prime is 200999983. The next prime is 201000053. The reversal of 201000049 is 940000102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181037025 + 19963024 = 13455^2 + 4468^2 .

It is a cyclic number.

It is not a de Polignac number, because 201000049 - 2¹¹ = 200998001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200999996 and 201000041.

It is not a weakly prime, because it can be changed into another prime (201000649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500024 + 100500025.

It is an arithmetic number, because the mean of its divisors is an integer number (100500025).

Almost surely, 2^201000049 is an apocalyptic number.

It is an amenable number.

201000049 is a deficient number, since it is larger than the sum of its proper divisors (1).

201000049 is an equidigital number, since it uses as much as digits as its factorization.

201000049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 201000049 is about 14177.4486068545. The cubic root of 201000049 is about 585.7766478655.

The spelling of 201000049 in words is "two hundred one million, forty-nine", and thus it is an aban number.