513854953 has 2 divisors, whose sum is σ = 513854954. Its totient is φ = 513854952.

The previous prime is 513854941. The next prime is 513855007. The reversal of 513854953 is 359458315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 359026704 + 154828249 = 18948^2 + 12443^2 .

It is a cyclic number.

It is not a de Polignac number, because 513854953 - 2⁹ = 513854441 is a prime.

It is not a weakly prime, because it can be changed into another prime (513354953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256927476 + 256927477.

It is an arithmetic number, because the mean of its divisors is an integer number (256927477).

Almost surely, 2^513854953 is an apocalyptic number.

It is an amenable number.

513854953 is a deficient number, since it is larger than the sum of its proper divisors (1).

513854953 is an equidigital number, since it uses as much as digits as its factorization.

513854953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 43.

The square root of 513854953 is about 22668.3689973496. The cubic root of 513854953 is about 800.9649569588.

The spelling of 513854953 in words is "five hundred thirteen million, eight hundred fifty-four thousand, nine hundred fifty-three".