513166463 has 2 divisors, whose sum is σ = 513166464. Its totient is φ = 513166462.

The previous prime is 513166453. The next prime is 513166469. The reversal of 513166463 is 364661315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513166463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513166469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256583231 + 256583232.

It is an arithmetic number, because the mean of its divisors is an integer number (256583232).

Almost surely, 2^513166463 is an apocalyptic number.

513166463 is a deficient number, since it is larger than the sum of its proper divisors (1).

513166463 is an equidigital number, since it uses as much as digits as its factorization.

513166463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 35.

The square root of 513166463 is about 22653.1777682514. The cubic root of 513166463 is about 800.6070720254.

The spelling of 513166463 in words is "five hundred thirteen million, one hundred sixty-six thousand, four hundred sixty-three".