201537028 has 48 divisors (see below), whose sum is σ = 462873600. Its totient is φ = 74386080.

The previous prime is 201536999. The next prime is 201537043. The reversal of 201537028 is 820735102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 201536987 and 201537005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11368 + ... + 23071.

It is an arithmetic number, because the mean of its divisors is an integer number (9643200).

Almost surely, 2^201537028 is an apocalyptic number.

201537028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

201537028 is an abundant number, since it is smaller than the sum of its proper divisors (261336572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201537028 is a wasteful number, since it uses less digits than its factorization.

201537028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34480 (or 34478 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 201537028 is about 14196.3737623380. The cubic root of 201537028 is about 586.2978252893.

The spelling of 201537028 in words is "two hundred one million, five hundred thirty-seven thousand, twenty-eight".