541078521 has 4 divisors (see below), whose sum is σ = 721438032. Its totient is φ = 360719012.

The previous prime is 541078501. The next prime is 541078543. The reversal of 541078521 is 125870145.

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 a cyclic number.

It is not a de Polignac number, because 541078521 - 2⁶ = 541078457 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (541078501) 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, 90179751 + ... + 90179756.

It is an arithmetic number, because the mean of its divisors is an integer number (180359508).

Almost surely, 2^541078521 is an apocalyptic number.

It is an amenable number.

541078521 is a deficient number, since it is larger than the sum of its proper divisors (180359511).

541078521 is a wasteful number, since it uses less digits than its factorization.

541078521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180359510.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 541078521 is about 23261.0945787166. The cubic root of 541078521 is about 814.8670645212.

The spelling of 541078521 in words is "five hundred forty-one million, seventy-eight thousand, five hundred twenty-one".