513146041 has 4 divisors (see below), whose sum is σ = 515981284. Its totient is φ = 510310800.

The previous prime is 513146033. The next prime is 513146083. The reversal of 513146041 is 140641315.

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 2205225 + 510940816 = 1485^2 + 22604^2 .

It is a cyclic number.

It is not a de Polignac number, because 513146041 - 2³ = 513146033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513145997 and 513146015.

It is not an unprimeable number, because it can be changed into a prime (513146021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1417350 + ... + 1417711.

It is an arithmetic number, because the mean of its divisors is an integer number (128995321).

Almost surely, 2^513146041 is an apocalyptic number.

It is an amenable number.

513146041 is a deficient number, since it is larger than the sum of its proper divisors (2835243).

513146041 is a wasteful number, since it uses less digits than its factorization.

513146041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835242.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 513146041 is about 22652.7270102299. The cubic root of 513146041 is about 800.5964515506.

Adding to 513146041 its reverse (140641315), we get a palindrome (653787356).

The spelling of 513146041 in words is "five hundred thirteen million, one hundred forty-six thousand, forty-one".