201532001 has 4 divisors (see below), whose sum is σ = 219853104. Its totient is φ = 183210900.

The previous prime is 201531989. The next prime is 201532027. The reversal of 201532001 is 100235102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201532001 - 2⁶ = 201531937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201532061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9160535 + ... + 9160556.

It is an arithmetic number, because the mean of its divisors is an integer number (54963276).

Almost surely, 2^201532001 is an apocalyptic number.

It is an amenable number.

201532001 is a deficient number, since it is larger than the sum of its proper divisors (18321103).

201532001 is a wasteful number, since it uses less digits than its factorization.

201532001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18321102.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 201532001 is about 14196.1967089781. The cubic root of 201532001 is about 586.2929505132.

Adding to 201532001 its reverse (100235102), we get a palindrome (301767103).

The spelling of 201532001 in words is "two hundred one million, five hundred thirty-two thousand, one".