201405053 has 4 divisors (see below), whose sum is σ = 201620028. Its totient is φ = 201190080.

The previous prime is 201405031. The next prime is 201405091. The reversal of 201405053 is 350504102.

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 157076089 + 44328964 = 12533^2 + 6658^2 .

It is a cyclic number.

It is not a de Polignac number, because 201405053 - 2¹² = 201400957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201405013) 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, 106076 + ... + 107957.

It is an arithmetic number, because the mean of its divisors is an integer number (50405007).

Almost surely, 2^201405053 is an apocalyptic number.

It is an amenable number.

201405053 is a deficient number, since it is larger than the sum of its proper divisors (214975).

201405053 is an equidigital number, since it uses as much as digits as its factorization.

201405053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214974.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 201405053 is about 14191.7248070839. The cubic root of 201405053 is about 586.1698197771.

Adding to 201405053 its reverse (350504102), we get a palindrome (551909155).

The spelling of 201405053 in words is "two hundred one million, four hundred five thousand, fifty-three".