201053505 has 8 divisors (see below), whose sum is σ = 321685632. Its totient is φ = 107228528.

The previous prime is 201053431. The next prime is 201053513. The reversal of 201053505 is 505350102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201053505 - 2¹⁵ = 201020737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6701769 + ... + 6701798.

It is an arithmetic number, because the mean of its divisors is an integer number (40210704).

Almost surely, 2^201053505 is an apocalyptic number.

It is an amenable number.

201053505 is a deficient number, since it is larger than the sum of its proper divisors (120632127).

201053505 is a wasteful number, since it uses less digits than its factorization.

201053505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13403575.

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 201053505 is about 14179.3337290579. Note that the first 3 decimals coincide. The cubic root of 201053505 is about 585.8285723984.

The spelling of 201053505 in words is "two hundred one million, fifty-three thousand, five hundred five".