513017471 has 2 divisors, whose sum is σ = 513017472. Its totient is φ = 513017470.

The previous prime is 513017467. The next prime is 513017473. The reversal of 513017471 is 174710315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513017471 - 2² = 513017467 is a prime.

It is a super-3 number, since 3×513017471³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 513017473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513017473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256508735 + 256508736.

It is an arithmetic number, because the mean of its divisors is an integer number (256508736).

Almost surely, 2^513017471 is an apocalyptic number.

513017471 is a deficient number, since it is larger than the sum of its proper divisors (1).

513017471 is an equidigital number, since it uses as much as digits as its factorization.

513017471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 513017471 is about 22649.8889842754. Note that the first 3 decimals coincide. The cubic root of 513017471 is about 800.5295821636.

Adding to 513017471 its reverse (174710315), we get a palindrome (687727786).

The spelling of 513017471 in words is "five hundred thirteen million, seventeen thousand, four hundred seventy-one".