205054401 has 8 divisors (see below), whose sum is σ = 279764320. Its totient is φ = 133523712.

The previous prime is 205054393. The next prime is 205054439. The reversal of 205054401 is 104450502.

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

It is not a de Polignac number, because 205054401 - 2³ = 205054393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205054471) 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, 794656 + ... + 794913.

It is an arithmetic number, because the mean of its divisors is an integer number (34970540).

Almost surely, 2^205054401 is an apocalyptic number.

It is an amenable number.

205054401 is a deficient number, since it is larger than the sum of its proper divisors (74709919).

205054401 is a wasteful number, since it uses less digits than its factorization.

205054401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589615.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 205054401 is about 14319.7207025836. The cubic root of 205054401 is about 589.6890068385.

The spelling of 205054401 in words is "two hundred five million, fifty-four thousand, four hundred one".