42504677 has 2 divisors, whose sum is σ = 42504678. Its totient is φ = 42504676.

The previous prime is 42504593. The next prime is 42504697. The reversal of 42504677 is 77640524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42393121 + 111556 = 6511^2 + 334^2 .

It is a cyclic number.

It is not a de Polignac number, because 42504677 - 2²⁰ = 41456101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42504697) 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, 21252338 + 21252339.

It is an arithmetic number, because the mean of its divisors is an integer number (21252339).

Almost surely, 2^42504677 is an apocalyptic number.

It is an amenable number.

42504677 is a deficient number, since it is larger than the sum of its proper divisors (1).

42504677 is an equidigital number, since it uses as much as digits as its factorization.

42504677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 42504677 is about 6519.5611048597. The cubic root of 42504677 is about 348.9894031588.

The spelling of 42504677 in words is "forty-two million, five hundred four thousand, six hundred seventy-seven".