42713557 has 2 divisors, whose sum is σ = 42713558. Its totient is φ = 42713556.

The previous prime is 42713533. The next prime is 42713591. The reversal of 42713557 is 75531724.

42713557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42713591) can be obtained adding 42713557 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41809156 + 904401 = 6466^2 + 951^2 .

It is a cyclic number.

It is not a de Polignac number, because 42713557 - 2¹⁵ = 42680789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42713057) 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 as a sum of consecutive naturals, namely, 21356778 + 21356779.

It is an arithmetic number, because the mean of its divisors is an integer number (21356779).

Almost surely, 2^42713557 is an apocalyptic number.

It is an amenable number.

42713557 is a deficient number, since it is larger than the sum of its proper divisors (1).

42713557 is an equidigital number, since it uses as much as digits as its factorization.

42713557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29400, while the sum is 34.

The square root of 42713557 is about 6535.5609552662. The cubic root of 42713557 is about 349.5601467774.

The spelling of 42713557 in words is "forty-two million, seven hundred thirteen thousand, five hundred fifty-seven".