201349 has 4 divisors (see below), whose sum is σ = 202464. Its totient is φ = 200236.

The previous prime is 201337. The next prime is 201359. The reversal of 201349 is 943102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201349 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217 + ... + 670.

It is an arithmetic number, because the mean of its divisors is an integer number (50616).

2²⁰¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

201349 is a deficient number, since it is larger than the sum of its proper divisors (1115).

201349 is an equidigital number, since it uses as much as digits as its factorization.

201349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 201349 is about 448.7192886427. The cubic root of 201349 is about 58.6115435797.

It can be divided in two parts, 20 and 1349, that added together give a square (1369 = 37²).

The spelling of 201349 in words is "two hundred one thousand, three hundred forty-nine".