813016250 has 20 divisors (see below), whose sum is σ = 1523920002. Its totient is φ = 325206000.

The previous prime is 813016249. The next prime is 813016271. The reversal of 813016250 is 52610318.

813016250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 139129 + 812877121 = 373^2 + 28511^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 323957 + ... + 326456.

Almost surely, 2^813016250 is an apocalyptic number.

813016250 is a deficient number, since it is larger than the sum of its proper divisors (710903752).

813016250 is an equidigital number, since it uses as much as digits as its factorization.

813016250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650435 (or 650420 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 813016250 is about 28513.4398135335. The cubic root of 813016250 is about 933.3253790422.

Adding to 813016250 its reverse (52610318), we get a palindrome (865626568).

The spelling of 813016250 in words is "eight hundred thirteen million, sixteen thousand, two hundred fifty".