205461413 has 8 divisors (see below), whose sum is σ = 207916800. Its totient is φ = 203015088.

The previous prime is 205461409. The next prime is 205461419. The reversal of 205461413 is 314164502.

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 205461413 - 2² = 205461409 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 (205461419) 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, 50468 + ... + 54386.

It is an arithmetic number, because the mean of its divisors is an integer number (25989600).

Almost surely, 2^205461413 is an apocalyptic number.

It is an amenable number.

205461413 is a deficient number, since it is larger than the sum of its proper divisors (2455387).

205461413 is a wasteful number, since it uses less digits than its factorization.

205461413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 205461413 is about 14333.9252474680. The cubic root of 205461413 is about 590.0789064245.

The spelling of 205461413 in words is "two hundred five million, four hundred sixty-one thousand, four hundred thirteen".