541306561 has 8 divisors (see below), whose sum is σ = 572983200. Its totient is φ = 509948640.

The previous prime is 541306529. The next prime is 541306583. The reversal of 541306561 is 165603145.

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 541306561 - 2⁵ = 541306529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541306501) 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, 76180 + ... + 82981.

It is an arithmetic number, because the mean of its divisors is an integer number (71622900).

Almost surely, 2^541306561 is an apocalyptic number.

It is an amenable number.

541306561 is a deficient number, since it is larger than the sum of its proper divisors (31676639).

541306561 is a wasteful number, since it uses less digits than its factorization.

541306561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159359.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 541306561 is about 23265.9958093351. The cubic root of 541306561 is about 814.9815249177.

The spelling of 541306561 in words is "five hundred forty-one million, three hundred six thousand, five hundred sixty-one".