513884797 has 2 divisors, whose sum is σ = 513884798. Its totient is φ = 513884796.

The previous prime is 513884783. The next prime is 513884831. The reversal of 513884797 is 797488315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 364580836 + 149303961 = 19094^2 + 12219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513884797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513884717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256942398 + 256942399.

It is an arithmetic number, because the mean of its divisors is an integer number (256942399).

Almost surely, 2^513884797 is an apocalyptic number.

It is an amenable number.

513884797 is a deficient number, since it is larger than the sum of its proper divisors (1).

513884797 is an equidigital number, since it uses as much as digits as its factorization.

513884797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 52.

The square root of 513884797 is about 22669.0272618831. The cubic root of 513884797 is about 800.9804629787.

The spelling of 513884797 in words is "five hundred thirteen million, eight hundred eighty-four thousand, seven hundred ninety-seven".