513284797 has 2 divisors, whose sum is σ = 513284798. Its totient is φ = 513284796.

The previous prime is 513284749. The next prime is 513284803. The reversal of 513284797 is 797482315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 481407481 + 31877316 = 21941^2 + 5646^2 .

It is a cyclic number.

It is not a de Polignac number, because 513284797 - 2⁷ = 513284669 is a prime.

It is a super-2 number, since 2×513284797² = 526922565662662418, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513884797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256642398 + 256642399.

It is an arithmetic number, because the mean of its divisors is an integer number (256642399).

Almost surely, 2^513284797 is an apocalyptic number.

It is an amenable number.

513284797 is a deficient number, since it is larger than the sum of its proper divisors (1).

513284797 is an equidigital number, since it uses as much as digits as its factorization.

513284797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 423360, while the sum is 46.

The square root of 513284797 is about 22655.7894808369. The cubic root of 513284797 is about 800.6686061558.

The spelling of 513284797 in words is "five hundred thirteen million, two hundred eighty-four thousand, seven hundred ninety-seven".