201854401 has 8 divisors (see below), whose sum is σ = 233611520. Its totient is φ = 170827488.

The previous prime is 201854377. The next prime is 201854431. The reversal of 201854401 is 104458102.

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

It is a cyclic number.

It is not a de Polignac number, because 201854401 - 2⁹ = 201853889 is a prime.

It is a super-3 number, since 3×201854401³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201854431) 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, 181956 + ... + 183061.

It is an arithmetic number, because the mean of its divisors is an integer number (29201440).

Almost surely, 2^201854401 is an apocalyptic number.

It is an amenable number.

201854401 is a deficient number, since it is larger than the sum of its proper divisors (31757119).

201854401 is an equidigital number, since it uses as much as digits as its factorization.

201854401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365103.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 201854401 is about 14207.5473252775. The cubic root of 201854401 is about 586.6054238684.

The spelling of 201854401 in words is "two hundred one million, eight hundred fifty-four thousand, four hundred one".