541932661 has 2 divisors, whose sum is σ = 541932662. Its totient is φ = 541932660.

The previous prime is 541932583. The next prime is 541932667. The reversal of 541932661 is 166239145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286252561 + 255680100 = 16919^2 + 15990^2 .

It is a cyclic number.

It is not a de Polignac number, because 541932661 - 2⁷ = 541932533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 541932661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541932667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270966330 + 270966331.

It is an arithmetic number, because the mean of its divisors is an integer number (270966331).

Almost surely, 2^541932661 is an apocalyptic number.

It is an amenable number.

541932661 is a deficient number, since it is larger than the sum of its proper divisors (1).

541932661 is an equidigital number, since it uses as much as digits as its factorization.

541932661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 37.

The square root of 541932661 is about 23279.4471798623. The cubic root of 541932661 is about 815.2956188562.

The spelling of 541932661 in words is "five hundred forty-one million, nine hundred thirty-two thousand, six hundred sixty-one".