201321354 has 32 divisors (see below), whose sum is σ = 436512384. Its totient is φ = 61531200.

The previous prime is 201321353. The next prime is 201321377. The reversal of 201321354 is 453123102.

It is a self number, because there is not a number n which added to its sum of digits gives 201321354.

It is not an unprimeable number, because it can be changed into a prime (201321353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3232 + ... + 20324.

It is an arithmetic number, because the mean of its divisors is an integer number (13641012).

Almost surely, 2^201321354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201321354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218256192).

201321354 is an abundant number, since it is smaller than the sum of its proper divisors (235191030).

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

201321354 is a wasteful number, since it uses less digits than its factorization.

201321354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17262.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 201321354 is about 14188.7756342822. The cubic root of 201321354 is about 586.0886092599.

Adding to 201321354 its reverse (453123102), we get a palindrome (654444456).

The spelling of 201321354 in words is "two hundred one million, three hundred twenty-one thousand, three hundred fifty-four".