513061673 has 2 divisors, whose sum is σ = 513061674. Its totient is φ = 513061672.

The previous prime is 513061657. The next prime is 513061723. The reversal of 513061673 is 376160315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 429649984 + 83411689 = 20728^2 + 9133^2 .

It is a cyclic number.

It is not a de Polignac number, because 513061673 - 2⁴ = 513061657 is a prime.

It is not a weakly prime, because it can be changed into another prime (513061613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256530836 + 256530837.

It is an arithmetic number, because the mean of its divisors is an integer number (256530837).

Almost surely, 2^513061673 is an apocalyptic number.

It is an amenable number.

513061673 is a deficient number, since it is larger than the sum of its proper divisors (1).

513061673 is an equidigital number, since it uses as much as digits as its factorization.

513061673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 513061673 is about 22650.8647296301. The cubic root of 513061673 is about 800.5525729286.

The spelling of 513061673 in words is "five hundred thirteen million, sixty-one thousand, six hundred seventy-three".