813901035 has 16 divisors (see below), whose sum is σ = 1312185600. Its totient is φ = 430765920.

The previous prime is 813900961. The next prime is 813901051. The reversal of 813901035 is 530109318.

It is a happy number.

It is not a de Polignac number, because 813901035 - 2¹⁴ = 813884651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 813900993 and 813901011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205135 + ... + 209064.

It is an arithmetic number, because the mean of its divisors is an integer number (82011600).

Almost surely, 2^813901035 is an apocalyptic number.

813901035 is a deficient number, since it is larger than the sum of its proper divisors (498284565).

813901035 is a wasteful number, since it uses less digits than its factorization.

813901035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414338.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 813901035 is about 28528.9508219282. The cubic root of 813901035 is about 933.6638277565.

The spelling of 813901035 in words is "eight hundred thirteen million, nine hundred one thousand, thirty-five".