513011011 has 2 divisors, whose sum is σ = 513011012. Its totient is φ = 513011010.

The previous prime is 513011003. The next prime is 513011029. The reversal of 513011011 is 110110315.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513011011 - 2³ = 513011003 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 513010982 and 513011000.

It is not a weakly prime, because it can be changed into another prime (513611011) 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 as a sum of consecutive naturals, namely, 256505505 + 256505506.

It is an arithmetic number, because the mean of its divisors is an integer number (256505506).

Almost surely, 2^513011011 is an apocalyptic number.

513011011 is a deficient number, since it is larger than the sum of its proper divisors (1).

513011011 is an equidigital number, since it uses as much as digits as its factorization.

513011011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15, while the sum is 13.

The square root of 513011011 is about 22649.7463782710. The cubic root of 513011011 is about 800.5262220163.

Adding to 513011011 its reverse (110110315), we get a palindrome (623121326).

The spelling of 513011011 in words is "five hundred thirteen million, eleven thousand, eleven".