201541452 has 96 divisors (see below), whose sum is σ = 557383680. Its totient is φ = 55487040.

The previous prime is 201541451. The next prime is 201541469. The reversal of 201541452 is 254145102.

It is not an unprimeable number, because it can be changed into a prime (201541451) 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 31 ways as a sum of consecutive naturals, for example, 279949 + ... + 280667.

It is an arithmetic number, because the mean of its divisors is an integer number (5806080).

Almost surely, 2^201541452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201541452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278691840).

201541452 is an abundant number, since it is smaller than the sum of its proper divisors (355842228).

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

201541452 is a wasteful number, since it uses less digits than its factorization.

201541452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 201541452 is about 14196.5295759210. The cubic root of 201541452 is about 586.3021152580.

Adding to 201541452 its reverse (254145102), we get a palindrome (455686554).

The spelling of 201541452 in words is "two hundred one million, five hundred forty-one thousand, four hundred fifty-two".