201004253 has 4 divisors (see below), whose sum is σ = 201038460. Its totient is φ = 200970048.

The previous prime is 201004247. The next prime is 201004283. The reversal of 201004253 is 352400102.

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 156675289 + 44328964 = 12517^2 + 6658^2 .

It is a cyclic number.

It is not a de Polignac number, because 201004253 - 2⁶ = 201004189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201004283) 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, 5798 + ... + 20871.

It is an arithmetic number, because the mean of its divisors is an integer number (50259615).

Almost surely, 2^201004253 is an apocalyptic number.

It is an amenable number.

201004253 is a deficient number, since it is larger than the sum of its proper divisors (34207).

201004253 is an equidigital number, since it uses as much as digits as its factorization.

201004253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34206.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201004253 is about 14177.5968697096. The cubic root of 201004253 is about 585.7807317581.

Adding to 201004253 its reverse (352400102), we get a palindrome (553404355).

The spelling of 201004253 in words is "two hundred one million, four thousand, two hundred fifty-three".