201145361 has 2 divisors, whose sum is σ = 201145362. Its totient is φ = 201145360.

The previous prime is 201145279. The next prime is 201145369. The reversal of 201145361 is 163541102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189585361 + 11560000 = 13769^2 + 3400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201145361 is a prime.

It is not a weakly prime, because it can be changed into another prime (201145369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100572680 + 100572681.

It is an arithmetic number, because the mean of its divisors is an integer number (100572681).

Almost surely, 2^201145361 is an apocalyptic number.

It is an amenable number.

201145361 is a deficient number, since it is larger than the sum of its proper divisors (1).

201145361 is an equidigital number, since it uses as much as digits as its factorization.

201145361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 201145361 is about 14182.5724394413. The cubic root of 201145361 is about 585.9177753137.

Adding to 201145361 its reverse (163541102), we get a palindrome (364686463).

The spelling of 201145361 in words is "two hundred one million, one hundred forty-five thousand, three hundred sixty-one".