205405341 has 8 divisors (see below), whose sum is σ = 285781440. Its totient is φ = 130983072.

The previous prime is 205405327. The next prime is 205405351. The reversal of 205405341 is 143504502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 205405341 - 2⁵ = 205405309 is a prime.

It is a super-2 number, since 2×205405341² = 84382708222652562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205405301) 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, 1488376 + ... + 1488513.

It is an arithmetic number, because the mean of its divisors is an integer number (35722680).

Almost surely, 2^205405341 is an apocalyptic number.

It is an amenable number.

205405341 is a deficient number, since it is larger than the sum of its proper divisors (80376099).

205405341 is a wasteful number, since it uses less digits than its factorization.

205405341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976915.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 205405341 is about 14331.9691947757. The cubic root of 205405341 is about 590.0252225165.

Adding to 205405341 its reverse (143504502), we get a palindrome (348909843).

The spelling of 205405341 in words is "two hundred five million, four hundred five thousand, three hundred forty-one".