201241253 has 2 divisors, whose sum is σ = 201241254. Its totient is φ = 201241252.

The previous prime is 201241207. The next prime is 201241259. The reversal of 201241253 is 352142102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104080804 + 97160449 = 10202^2 + 9857^2 .

It is a cyclic number.

It is not a de Polignac number, because 201241253 - 2²⁰ = 200192677 is a prime.

It is equal to p_11143910 and since 201241253 and 11143910 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201241259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100620626 + 100620627.

It is an arithmetic number, because the mean of its divisors is an integer number (100620627).

Almost surely, 2^201241253 is an apocalyptic number.

It is an amenable number.

201241253 is a deficient number, since it is larger than the sum of its proper divisors (1).

201241253 is an equidigital number, since it uses as much as digits as its factorization.

201241253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 201241253 is about 14185.9526645199. The cubic root of 201241253 is about 586.0108686884.

Adding to 201241253 its reverse (352142102), we get a palindrome (553383355).

The spelling of 201241253 in words is "two hundred one million, two hundred forty-one thousand, two hundred fifty-three".