513284803 has 2 divisors, whose sum is σ = 513284804. Its totient is φ = 513284802.

The previous prime is 513284797. The next prime is 513284819. The reversal of 513284803 is 308482315.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 513284803 - 2¹³ = 513276611 is a prime.

It is a super-2 number, since 2×513284803² = 526922577981497618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (513284843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256642401 + 256642402.

It is an arithmetic number, because the mean of its divisors is an integer number (256642402).

Almost surely, 2^513284803 is an apocalyptic number.

513284803 is a deficient number, since it is larger than the sum of its proper divisors (1).

513284803 is an equidigital number, since it uses as much as digits as its factorization.

513284803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 513284803 is about 22655.7896132534. The cubic root of 513284803 is about 800.6686092755.

The spelling of 513284803 in words is "five hundred thirteen million, two hundred eighty-four thousand, eight hundred three".