513421041 has 16 divisors (see below), whose sum is σ = 782680064. Its totient is φ = 293261904.

The previous prime is 513421033. The next prime is 513421043. The reversal of 513421041 is 140124315.

It is not a de Polignac number, because 513421041 - 2³ = 513421033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 513420999 and 513421017.

It is not an unprimeable number, because it can be changed into a prime (513421043) 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 15 ways as a sum of consecutive naturals, for example, 80226 + ... + 86388.

It is an arithmetic number, because the mean of its divisors is an integer number (48917504).

Almost surely, 2^513421041 is an apocalyptic number.

It is an amenable number.

513421041 is a deficient number, since it is larger than the sum of its proper divisors (269259023).

513421041 is a wasteful number, since it uses less digits than its factorization.

513421041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 513421041 is about 22658.7961065896. The cubic root of 513421041 is about 800.7394418425.

Adding to 513421041 its reverse (140124315), we get a palindrome (653545356).

The spelling of 513421041 in words is "five hundred thirteen million, four hundred twenty-one thousand, forty-one".