42826529 has 4 divisors (see below), whose sum is σ = 44688576. Its totient is φ = 40964484.

The previous prime is 42826523. The next prime is 42826543. The reversal of 42826529 is 92562824.

42826529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42826529 - 2²⁴ = 26049313 is a prime.

It is a super-2 number, since 2×42826529² = 3668223172375682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42826492 and 42826501.

It is not an unprimeable number, because it can be changed into a prime (42826523) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 930989 + ... + 931034.

It is an arithmetic number, because the mean of its divisors is an integer number (11172144).

Almost surely, 2^42826529 is an apocalyptic number.

It is an amenable number.

42826529 is a deficient number, since it is larger than the sum of its proper divisors (1862047).

42826529 is a wasteful number, since it uses less digits than its factorization.

42826529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862046.

The product of its digits is 69120, while the sum is 38.

The square root of 42826529 is about 6544.1981174167. The cubic root of 42826529 is about 349.8680563884.

The spelling of 42826529 in words is "forty-two million, eight hundred twenty-six thousand, five hundred twenty-nine".