16201049 has 2 divisors, whose sum is σ = 16201050. Its totient is φ = 16201048.

The previous prime is 16201013. The next prime is 16201057. The reversal of 16201049 is 94010261.

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., 12201049 + 4000000 = 3493^2 + 2000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16201049 is a prime.

It is not a weakly prime, because it can be changed into another prime (16201249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100524 + 8100525.

It is an arithmetic number, because the mean of its divisors is an integer number (8100525).

Almost surely, 2^16201049 is an apocalyptic number.

It is an amenable number.

16201049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16201049 is an equidigital number, since it uses as much as digits as its factorization.

16201049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 16201049 is about 4025.0526704628. The cubic root of 16201049 is about 253.0352609595.

The spelling of 16201049 in words is "sixteen million, two hundred one thousand, forty-nine".