201982529 has 8 divisors (see below), whose sum is σ = 234621888. Its totient is φ = 170289360.

The previous prime is 201982513. The next prime is 201982549. The reversal of 201982529 is 925289102.

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 201982529 - 2⁴ = 201982513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201982492 and 201982501.

It is not an unprimeable number, because it can be changed into a prime (201982549) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 236087 + ... + 236940.

It is an arithmetic number, because the mean of its divisors is an integer number (29327736).

Almost surely, 2^201982529 is an apocalyptic number.

It is an amenable number.

201982529 is a deficient number, since it is larger than the sum of its proper divisors (32639359).

201982529 is an equidigital number, since it uses as much as digits as its factorization.

201982529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473095.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 201982529 is about 14212.0557626263. The cubic root of 201982529 is about 586.7295144376.

It can be divided in two parts, 2019 and 82529, that added together give a palindrome (84548).

The spelling of 201982529 in words is "two hundred one million, nine hundred eighty-two thousand, five hundred twenty-nine".