511047041 has 4 divisors (see below), whose sum is σ = 520689492. Its totient is φ = 501404592.

The previous prime is 511047037. The next prime is 511047067. The reversal of 511047041 is 140740115.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188485441 + 322561600 = 13729^2 + 17960^2 .

It is not a de Polignac number, because 511047041 - 2² = 511047037 is a prime.

It is a super-2 number, since 2×511047041² = 522338156229711362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 511046998 and 511047016.

It is not an unprimeable number, because it can be changed into a prime (511047091) 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, 4821146 + ... + 4821251.

It is an arithmetic number, because the mean of its divisors is an integer number (130172373).

Almost surely, 2^511047041 is an apocalyptic number.

It is an amenable number.

511047041 is a deficient number, since it is larger than the sum of its proper divisors (9642451).

511047041 is an equidigital number, since it uses as much as digits as its factorization.

511047041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642450.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 511047041 is about 22606.3495726311. The cubic root of 511047041 is about 799.5033589359.

Adding to 511047041 its reverse (140740115), we get a palindrome (651787156).

The spelling of 511047041 in words is "five hundred eleven million, forty-seven thousand, forty-one".