201332501 has 4 divisors (see below), whose sum is σ = 210086112. Its totient is φ = 192578892.

The previous prime is 201332489. The next prime is 201332567. The reversal of 201332501 is 105233102.

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 201332501 - 2⁶ = 201332437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201332501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201332401) 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, 4376771 + ... + 4376816.

It is an arithmetic number, because the mean of its divisors is an integer number (52521528).

Almost surely, 2^201332501 is an apocalyptic number.

It is an amenable number.

201332501 is a deficient number, since it is larger than the sum of its proper divisors (8753611).

201332501 is an equidigital number, since it uses as much as digits as its factorization.

201332501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753610.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 201332501 is about 14189.1684393413. The cubic root of 201332501 is about 586.0994261438.

Adding to 201332501 its reverse (105233102), we get a palindrome (306565603).

The spelling of 201332501 in words is "two hundred one million, three hundred thirty-two thousand, five hundred one".