201565652 has 24 divisors (see below), whose sum is σ = 369644352. Its totient is φ = 95990400.

The previous prime is 201565649. The next prime is 201565667. The reversal of 201565652 is 256565102.

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, 17627 + ... + 26717.

It is an arithmetic number, because the mean of its divisors is an integer number (15401848).

Almost surely, 2^201565652 is an apocalyptic number.

It is an amenable number.

201565652 is a deficient number, since it is larger than the sum of its proper divisors (168078700).

201565652 is a wasteful number, since it uses less digits than its factorization.

201565652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9359 (or 9357 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 201565652 is about 14197.3818713170. The cubic root of 201565652 is about 586.3255809738.

The spelling of 201565652 in words is "two hundred one million, five hundred sixty-five thousand, six hundred fifty-two".