201752105 has 8 divisors (see below), whose sum is σ = 242209032. Its totient is φ = 161330688.

The previous prime is 201752077. The next prime is 201752147. The reversal of 201752105 is 501257102.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26896 + 201725209 = 164^2 + 14203^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201752105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5849 + ... + 20921.

It is an arithmetic number, because the mean of its divisors is an integer number (30276129).

Almost surely, 2^201752105 is an apocalyptic number.

It is an amenable number.

201752105 is a deficient number, since it is larger than the sum of its proper divisors (40456927).

201752105 is a wasteful number, since it uses less digits than its factorization.

201752105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17755.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 201752105 is about 14203.9468106579. The cubic root of 201752105 is about 586.5063136057.

The spelling of 201752105 in words is "two hundred one million, seven hundred fifty-two thousand, one hundred five".