201442053 has 4 divisors (see below), whose sum is σ = 268589408. Its totient is φ = 134294700.

The previous prime is 201442051. The next prime is 201442063. The reversal of 201442053 is 350244102.

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.

It is not a de Polignac number, because 201442053 - 2¹ = 201442051 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 (201442051) 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, 33573673 + ... + 33573678.

It is an arithmetic number, because the mean of its divisors is an integer number (67147352).

Almost surely, 2^201442053 is an apocalyptic number.

It is an amenable number.

201442053 is a deficient number, since it is larger than the sum of its proper divisors (67147355).

201442053 is an equidigital number, since it uses as much as digits as its factorization.

201442053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67147354.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 201442053 is about 14193.0283237933. The cubic root of 201442053 is about 586.2057125465.

Adding to 201442053 its reverse (350244102), we get a palindrome (551686155).

The spelling of 201442053 in words is "two hundred one million, four hundred forty-two thousand, fifty-three".