201335345 has 4 divisors (see below), whose sum is σ = 241602420. Its totient is φ = 161068272.

The previous prime is 201335333. The next prime is 201335363. The reversal of 201335345 is 543533102.

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 120209296 + 81126049 = 10964^2 + 9007^2 .

It is a cyclic number.

It is not a de Polignac number, because 201335345 - 2⁸ = 201335089 is a prime.

It is a super-2 number, since 2×201335345² = 81071842292538050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 20133530 + ... + 20133539.

It is an arithmetic number, because the mean of its divisors is an integer number (60400605).

Almost surely, 2^201335345 is an apocalyptic number.

It is an amenable number.

201335345 is a deficient number, since it is larger than the sum of its proper divisors (40267075).

201335345 is an equidigital number, since it uses as much as digits as its factorization.

201335345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267074.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 201335345 is about 14189.2686562768. The cubic root of 201335345 is about 586.1021858554.

Adding to 201335345 its reverse (543533102), we get a palindrome (744868447).

The spelling of 201335345 in words is "two hundred one million, three hundred thirty-five thousand, three hundred forty-five".