803578243 has 4 divisors (see below), whose sum is σ = 865391968. Its totient is φ = 741764520.

The previous prime is 803578231. The next prime is 803578271. The reversal of 803578243 is 342875308.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 803578243 - 2⁵ = 803578211 is a prime.

It is a super-5 number, since 5×803578243⁵ (a number of 46 digits) contains 55555 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 803578196 and 803578205.

It is not an unprimeable number, because it can be changed into a prime (803576243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30906843 + ... + 30906868.

It is an arithmetic number, because the mean of its divisors is an integer number (216347992).

Almost surely, 2^803578243 is an apocalyptic number.

803578243 is a deficient number, since it is larger than the sum of its proper divisors (61813725).

803578243 is a wasteful number, since it uses less digits than its factorization.

803578243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61813724.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 803578243 is about 28347.4556706594. The cubic root of 803578243 is about 929.6997693532.

The spelling of 803578243 in words is "eight hundred three million, five hundred seventy-eight thousand, two hundred forty-three".