512440541 has 4 divisors (see below), whose sum is σ = 515584512. Its totient is φ = 509296572.

The previous prime is 512440499. The next prime is 512440543. The reversal of 512440541 is 145044215.

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: 145044215 = 5 ⋅29008843.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512440541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 512440541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512440543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571741 + ... + 1572066.

It is an arithmetic number, because the mean of its divisors is an integer number (128896128).

Almost surely, 2^512440541 is an apocalyptic number.

It is an amenable number.

512440541 is a deficient number, since it is larger than the sum of its proper divisors (3143971).

512440541 is a wasteful number, since it uses less digits than its factorization.

512440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143970.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 512440541 is about 22637.1495776301. The cubic root of 512440541 is about 800.2293826607.

Adding to 512440541 its reverse (145044215), we get a palindrome (657484756).

The spelling of 512440541 in words is "five hundred twelve million, four hundred forty thousand, five hundred forty-one".