201361361 has 4 divisors (see below), whose sum is σ = 201626724. Its totient is φ = 201096000.

The previous prime is 201361357. The next prime is 201361387. The reversal of 201361361 is 163163102.

201361361 = T₃₁₃ + T₃₁₄ + ... + T₁₀₇₃.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33814225 + 167547136 = 5815^2 + 12944^2 .

It is a cyclic number.

It is not a de Polignac number, because 201361361 - 2² = 201361357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201361661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131540 + ... + 133061.

It is an arithmetic number, because the mean of its divisors is an integer number (50406681).

Almost surely, 2^201361361 is an apocalyptic number.

It is an amenable number.

201361361 is a deficient number, since it is larger than the sum of its proper divisors (265363).

201361361 is an equidigital number, since it uses as much as digits as its factorization.

201361361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265362.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 201361361 is about 14190.1853758152. The cubic root of 201361361 is about 586.1274296060.

The spelling of 201361361 in words is "two hundred one million, three hundred sixty-one thousand, three hundred sixty-one".