826612243 has 4 divisors (see below), whose sum is σ = 840622680. Its totient is φ = 812601808.

The previous prime is 826612231. The next prime is 826612253. The reversal of 826612243 is 342216628.

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

It is not a de Polignac number, because 826612243 - 2⁵ = 826612211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 826612199 and 826612208.

It is not an unprimeable number, because it can be changed into a prime (826612223) 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, 7005130 + ... + 7005247.

It is an arithmetic number, because the mean of its divisors is an integer number (210155670).

Almost surely, 2^826612243 is an apocalyptic number.

826612243 is a deficient number, since it is larger than the sum of its proper divisors (14010437).

826612243 is a wasteful number, since it uses less digits than its factorization.

826612243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14010436.

The product of its digits is 27648, while the sum is 34.

The square root of 826612243 is about 28750.8650826371. The cubic root of 826612243 is about 938.4992814620.

The spelling of 826612243 in words is "eight hundred twenty-six million, six hundred twelve thousand, two hundred forty-three".