513326890 has 8 divisors (see below), whose sum is σ = 923988420. Its totient is φ = 205330752.

The previous prime is 513326887. The next prime is 513326893. The reversal of 513326890 is 98623315.

It is an interprime number because it is at equal distance from previous prime (513326887) and next prime (513326893).

It can be written as a sum of positive squares in 2 ways, for example, as 487040761 + 26286129 = 22069^2 + 5127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (513326893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25666335 + ... + 25666354.

Almost surely, 2^513326890 is an apocalyptic number.

513326890 is a deficient number, since it is larger than the sum of its proper divisors (410661530).

513326890 is a wasteful number, since it uses less digits than its factorization.

513326890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51332696.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 513326890 is about 22656.7184296402. The cubic root of 513326890 is about 800.6904923955.

It can be divided in two parts, 5133 and 26890, that added together give a palindrome (32023).

The spelling of 513326890 in words is "five hundred thirteen million, three hundred twenty-six thousand, eight hundred ninety".