201565532 has 24 divisors (see below), whose sum is σ = 426845664. Its totient is φ = 81303552.

The previous prime is 201565513. The next prime is 201565579. The reversal of 201565532 is 235565102.

It is a happy number.

201565532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201565495 and 201565504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211253 + ... + 212204.

It is an arithmetic number, because the mean of its divisors is an integer number (17785236).

Almost surely, 2^201565532 is an apocalyptic number.

It is an amenable number.

201565532 is an abundant number, since it is smaller than the sum of its proper divisors (225280132).

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

201565532 is a wasteful number, since it uses less digits than its factorization.

201565532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423485 (or 423483 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 201565532 is about 14197.3776451850. The cubic root of 201565532 is about 586.3254646195.

The spelling of 201565532 in words is "two hundred one million, five hundred sixty-five thousand, five hundred thirty-two".