205625413 has 8 divisors (see below), whose sum is σ = 239796800. Its totient is φ = 176250060.

The previous prime is 205625393. The next prime is 205625417. The reversal of 205625413 is 314526502.

It is a de Polignac number, because none of the positive numbers 2^k-205625413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205625417) 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, 299403 + ... + 300088.

It is an arithmetic number, because the mean of its divisors is an integer number (29974600).

Almost surely, 2^205625413 is an apocalyptic number.

It is an amenable number.

205625413 is a deficient number, since it is larger than the sum of its proper divisors (34171387).

205625413 is an frugal number, since it uses more digits than its factorization.

205625413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599512 (or 599498 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 205625413 is about 14339.6448003429. The cubic root of 205625413 is about 590.2358656681.

The spelling of 205625413 in words is "two hundred five million, six hundred twenty-five thousand, four hundred thirteen".