201225049 has 2 divisors, whose sum is σ = 201225050. Its totient is φ = 201225048.

The previous prime is 201224963. The next prime is 201225071. The reversal of 201225049 is 940522102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139712400 + 61512649 = 11820^2 + 7843^2 .

It is a cyclic number.

It is not a de Polignac number, because 201225049 - 2¹⁵ = 201192281 is a prime.

It is not a weakly prime, because it can be changed into another prime (201225149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100612524 + 100612525.

It is an arithmetic number, because the mean of its divisors is an integer number (100612525).

Almost surely, 2^201225049 is an apocalyptic number.

It is an amenable number.

201225049 is a deficient number, since it is larger than the sum of its proper divisors (1).

201225049 is an equidigital number, since it uses as much as digits as its factorization.

201225049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 201225049 is about 14185.3815246542. The cubic root of 201225049 is about 585.9951396818.

The spelling of 201225049 in words is "two hundred one million, two hundred twenty-five thousand, forty-nine".