513450071 has 2 divisors, whose sum is σ = 513450072. Its totient is φ = 513450070.

The previous prime is 513450029. The next prime is 513450097. The reversal of 513450071 is 170054315.

It is an a-pointer prime, because the next prime (513450097) can be obtained adding 513450071 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513450071 - 2²² = 509255767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513450071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513450271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256725035 + 256725036.

It is an arithmetic number, because the mean of its divisors is an integer number (256725036).

Almost surely, 2^513450071 is an apocalyptic number.

513450071 is a deficient number, since it is larger than the sum of its proper divisors (1).

513450071 is an equidigital number, since it uses as much as digits as its factorization.

513450071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 513450071 is about 22659.4366876143. The cubic root of 513450071 is about 800.7545334379.

The spelling of 513450071 in words is "five hundred thirteen million, four hundred fifty thousand, seventy-one".