206411541 has 16 divisors (see below), whose sum is σ = 315193344. Its totient is φ = 117701424.

The previous prime is 206411537. The next prime is 206411561. The reversal of 206411541 is 145114602.

It is a happy number.

206411541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 206411541 - 2² = 206411537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206411561) 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, 136 + ... + 20318.

It is an arithmetic number, because the mean of its divisors is an integer number (19699584).

Almost surely, 2^206411541 is an apocalyptic number.

206411541 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

206411541 is a deficient number, since it is larger than the sum of its proper divisors (108781803).

206411541 is a wasteful number, since it uses less digits than its factorization.

206411541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20680.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 206411541 is about 14367.0296512536. The cubic root of 206411541 is about 590.9870874782.

The spelling of 206411541 in words is "two hundred six million, four hundred eleven thousand, five hundred forty-one".