201455297 has 2 divisors, whose sum is σ = 201455298. Its totient is φ = 201455296.

The previous prime is 201455249. The next prime is 201455311. The reversal of 201455297 is 792554102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200392336 + 1062961 = 14156^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 201455297 - 2⁸ = 201455041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201455497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100727648 + 100727649.

It is an arithmetic number, because the mean of its divisors is an integer number (100727649).

Almost surely, 2^201455297 is an apocalyptic number.

It is an amenable number.

201455297 is a deficient number, since it is larger than the sum of its proper divisors (1).

201455297 is an equidigital number, since it uses as much as digits as its factorization.

201455297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 201455297 is about 14193.4948832203. The cubic root of 201455297 is about 586.2185591496.

The spelling of 201455297 in words is "two hundred one million, four hundred fifty-five thousand, two hundred ninety-seven".