205372039 has 8 divisors (see below), whose sum is σ = 208053360. Its totient is φ = 202699200.

The previous prime is 205372033. The next prime is 205372049. The reversal of 205372039 is 930273502.

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 205372039 - 2³ = 205372031 is a prime.

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 205372039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205372031) 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, 57084 + ... + 60574.

It is an arithmetic number, because the mean of its divisors is an integer number (26006670).

Almost surely, 2^205372039 is an apocalyptic number.

205372039 is a deficient number, since it is larger than the sum of its proper divisors (2681321).

205372039 is an equidigital number, since it uses as much as digits as its factorization.

205372039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4241.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 205372039 is about 14330.8073394349. The cubic root of 205372039 is about 589.9933342156.

The spelling of 205372039 in words is "two hundred five million, three hundred seventy-two thousand, thirty-nine".