201332407 has 4 divisors (see below), whose sum is σ = 206014600. Its totient is φ = 196650216.

The previous prime is 201332401. The next prime is 201332419. The reversal of 201332407 is 704233102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201332407 - 2³ = 201332399 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341032 + ... + 2341117.

It is an arithmetic number, because the mean of its divisors is an integer number (51503650).

Almost surely, 2^201332407 is an apocalyptic number.

201332407 is a deficient number, since it is larger than the sum of its proper divisors (4682193).

201332407 is an equidigital number, since it uses as much as digits as its factorization.

201332407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682192.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 201332407 is about 14189.1651269551. The cubic root of 201332407 is about 586.0993349292.

Adding to 201332407 its reverse (704233102), we get a palindrome (905565509).

The spelling of 201332407 in words is "two hundred one million, three hundred thirty-two thousand, four hundred seven".