541513 has 4 divisors (see below), whose sum is σ = 618880. Its totient is φ = 464148.

The previous prime is 541511. The next prime is 541523. The reversal of 541513 is 315145.

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, and also an emirpimes, since its reverse is a distinct semiprime: 315145 = 5 ⋅63029.

It is a cyclic number.

It is not a de Polignac number, because 541513 - 2¹ = 541511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38673 + ... + 38686.

It is an arithmetic number, because the mean of its divisors is an integer number (154720).

2⁵⁴¹⁵¹³ is an apocalyptic number.

It is an amenable number.

541513 is a deficient number, since it is larger than the sum of its proper divisors (77367).

541513 is an equidigital number, since it uses as much as digits as its factorization.

541513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77366.

The product of its digits is 300, while the sum is 19.

The square root of 541513 is about 735.8756688463. The cubic root of 541513 is about 81.5085115378.

Adding to 541513 its reverse (315145), we get a palindrome (856658).

The spelling of 541513 in words is "five hundred forty-one thousand, five hundred thirteen".