42526873 has 2 divisors, whose sum is σ = 42526874. Its totient is φ = 42526872.

The previous prime is 42526867. The next prime is 42526901. The reversal of 42526873 is 37862524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33212169 + 9314704 = 5763^2 + 3052^2 .

It is a cyclic number.

It is not a de Polignac number, because 42526873 - 2⁹ = 42526361 is a prime.

It is equal to p_2577727 and since 42526873 and 2577727 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42526853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21263436 + 21263437.

It is an arithmetic number, because the mean of its divisors is an integer number (21263437).

Almost surely, 2^42526873 is an apocalyptic number.

It is an amenable number.

42526873 is a deficient number, since it is larger than the sum of its proper divisors (1).

42526873 is an equidigital number, since it uses as much as digits as its factorization.

42526873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 42526873 is about 6521.2631445143. The cubic root of 42526873 is about 349.0501401676.

The spelling of 42526873 in words is "forty-two million, five hundred twenty-six thousand, eight hundred seventy-three".