201003450 has 48 divisors (see below), whose sum is σ = 501607776. Its totient is φ = 53265600.

The previous prime is 201003449. The next prime is 201003487. The reversal of 201003450 is 54300102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20340 + ... + 28560.

It is an arithmetic number, because the mean of its divisors is an integer number (10450162).

Almost surely, 2^201003450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201003450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250803888).

201003450 is an abundant number, since it is smaller than the sum of its proper divisors (300604326).

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

201003450 is a wasteful number, since it uses less digits than its factorization.

201003450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 201003450 is about 14177.5685503545. The cubic root of 201003450 is about 585.7799517041.

Adding to 201003450 its reverse (54300102), we get a palindrome (255303552).

The spelling of 201003450 in words is "two hundred one million, three thousand, four hundred fifty".