541052661 has 4 divisors (see below), whose sum is σ = 721403552. Its totient is φ = 360701772.

The previous prime is 541052599. The next prime is 541052719. The reversal of 541052661 is 166250145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 541052661 - 2¹¹ = 541050613 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 (541052261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90175441 + ... + 90175446.

It is an arithmetic number, because the mean of its divisors is an integer number (180350888).

Almost surely, 2^541052661 is an apocalyptic number.

It is an amenable number.

541052661 is a deficient number, since it is larger than the sum of its proper divisors (180350891).

541052661 is a wasteful number, since it uses less digits than its factorization.

541052661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180350890.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 541052661 is about 23260.5387082931. The cubic root of 541052661 is about 814.8540825495.

The spelling of 541052661 in words is "five hundred forty-one million, fifty-two thousand, six hundred sixty-one".