205425339 has 16 divisors (see below), whose sum is σ = 316259328. Its totient is φ = 116174592.

The previous prime is 205425323. The next prime is 205425349. The reversal of 205425339 is 933524502.

It is not a de Polignac number, because 205425339 - 2⁴ = 205425323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205425349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48387 + ... + 52460.

It is an arithmetic number, because the mean of its divisors is an integer number (19766208).

Almost surely, 2^205425339 is an apocalyptic number.

205425339 is a deficient number, since it is larger than the sum of its proper divisors (110833989).

205425339 is a wasteful number, since it uses less digits than its factorization.

205425339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100954.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 205425339 is about 14332.6668488457. Note that the first 3 decimals coincide. The cubic root of 205425339 is about 590.0443699275.

The spelling of 205425339 in words is "two hundred five million, four hundred twenty-five thousand, three hundred thirty-nine".