201055481 has 8 divisors (see below), whose sum is σ = 232235424. Its totient is φ = 172025920.

The previous prime is 201055427. The next prime is 201055501. The reversal of 201055481 is 184550102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201055481 - 2²² = 196861177 is a prime.

It is a super-2 number, since 2×201055481² = 80846612880282722, which contains 22 as substring.

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 201055481.

It is not an unprimeable number, because it can be changed into a prime (201055411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537395 + ... + 537768.

It is an arithmetic number, because the mean of its divisors is an integer number (29029428).

Almost surely, 2^201055481 is an apocalyptic number.

It is an amenable number.

201055481 is a deficient number, since it is larger than the sum of its proper divisors (31179943).

201055481 is a wasteful number, since it uses less digits than its factorization.

201055481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075191.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 201055481 is about 14179.4034077601. The cubic root of 201055481 is about 585.8304916113.

It can be divided in two parts, 20 and 1055481, that added together give a palindrome (1055501).

The spelling of 201055481 in words is "two hundred one million, fifty-five thousand, four hundred eighty-one".