612826543 has 4 divisors (see below), whose sum is σ = 700373200. Its totient is φ = 525279888.

The previous prime is 612826541. The next prime is 612826547. The reversal of 612826543 is 345628216.

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

It is not a de Polignac number, because 612826543 - 2¹ = 612826541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612826541) 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, 43773318 + ... + 43773331.

It is an arithmetic number, because the mean of its divisors is an integer number (175093300).

Almost surely, 2^612826543 is an apocalyptic number.

612826543 is a deficient number, since it is larger than the sum of its proper divisors (87546657).

612826543 is an equidigital number, since it uses as much as digits as its factorization.

612826543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87546656.

The product of its digits is 69120, while the sum is 37.

The square root of 612826543 is about 24755.3336273216. Note that the first 3 decimals coincide. The cubic root of 612826543 is about 849.4005198641.

The spelling of 612826543 in words is "six hundred twelve million, eight hundred twenty-six thousand, five hundred forty-three".