803811345 has 8 divisors (see below), whose sum is σ = 1286098176. Its totient is φ = 428699376.

The previous prime is 803811331. The next prime is 803811353. The reversal of 803811345 is 543118308.

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

It is not a de Polignac number, because 803811345 - 2⁴ = 803811329 is a prime.

It is a super-2 number, since 2×803811345² = 1292225356701418050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26793697 + ... + 26793726.

It is an arithmetic number, because the mean of its divisors is an integer number (160762272).

Almost surely, 2^803811345 is an apocalyptic number.

It is an amenable number.

803811345 is a deficient number, since it is larger than the sum of its proper divisors (482286831).

803811345 is a wasteful number, since it uses less digits than its factorization.

803811345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53587431.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 803811345 is about 28351.5668879164. The cubic root of 803811345 is about 929.7896564410.

The spelling of 803811345 in words is "eight hundred three million, eight hundred eleven thousand, three hundred forty-five".