205401083 has 4 divisors (see below), whose sum is σ = 208294128. Its totient is φ = 202508040.

The previous prime is 205401061. The next prime is 205401107. The reversal of 205401083 is 380104502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 205401083 - 2⁶ = 205401019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205401883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1446416 + ... + 1446557.

It is an arithmetic number, because the mean of its divisors is an integer number (52073532).

Almost surely, 2^205401083 is an apocalyptic number.

205401083 is a deficient number, since it is larger than the sum of its proper divisors (2893045).

205401083 is an equidigital number, since it uses as much as digits as its factorization.

205401083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893044.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 205401083 is about 14331.8206449844. The cubic root of 205401083 is about 590.0211454645.

Adding to 205401083 its reverse (380104502), we get a palindrome (585505585).

The spelling of 205401083 in words is "two hundred five million, four hundred one thousand, eighty-three".