201293 has 4 divisors (see below), whose sum is σ = 203388. Its totient is φ = 199200.

The previous prime is 201287. The next prime is 201307. The reversal of 201293 is 392102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 392102 = 2 ⋅196051.

It can be written as a sum of positive squares in 2 ways, for example, as 174724 + 26569 = 418^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 201293 - 2⁸ = 201037 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 (201203) 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, 896 + ... + 1097.

It is an arithmetic number, because the mean of its divisors is an integer number (50847).

2²⁰¹²⁹³ is an apocalyptic number.

It is an amenable number.

201293 is a deficient number, since it is larger than the sum of its proper divisors (2095).

201293 is a wasteful number, since it uses less digits than its factorization.

201293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2094.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 201293 is about 448.6568844897. The cubic root of 201293 is about 58.6061093158.

Adding to 201293 its reverse (392102), we get a palindrome (593395).

It can be divided in two parts, 201 and 293, that added together give a palindrome (494).

The spelling of 201293 in words is "two hundred one thousand, two hundred ninety-three".