201528106 has 24 divisors (see below), whose sum is σ = 328345920. Its totient is φ = 92725776.

The previous prime is 201528097. The next prime is 201528109. The reversal of 201528106 is 601825102.

201528106 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×201528106² = 81227155015894472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201528109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140911 + ... + 142333.

It is an arithmetic number, because the mean of its divisors is an integer number (13681080).

Almost surely, 2^201528106 is an apocalyptic number.

201528106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201528106 is a deficient number, since it is larger than the sum of its proper divisors (126817814).

201528106 is a wasteful number, since it uses less digits than its factorization.

201528106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 201528106 is about 14196.0595236847. The cubic root of 201528106 is about 586.2891734030.

The spelling of 201528106 in words is "two hundred one million, five hundred twenty-eight thousand, one hundred six".