42419537 has 2 divisors, whose sum is σ = 42419538. Its totient is φ = 42419536.

The previous prime is 42419513. The next prime is 42419549. The reversal of 42419537 is 73591424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 19989841 = 4736^2 + 4471^2 .

It is a cyclic number.

It is not a de Polignac number, because 42419537 - 2⁶ = 42419473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42419497 and 42419506.

It is not a weakly prime, because it can be changed into another prime (42419737) 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, 21209768 + 21209769.

It is an arithmetic number, because the mean of its divisors is an integer number (21209769).

Almost surely, 2^42419537 is an apocalyptic number.

It is an amenable number.

42419537 is a deficient number, since it is larger than the sum of its proper divisors (1).

42419537 is an equidigital number, since it uses as much as digits as its factorization.

42419537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The square root of 42419537 is about 6513.0282511287. The cubic root of 42419537 is about 348.7562302386.

The spelling of 42419537 in words is "forty-two million, four hundred nineteen thousand, five hundred thirty-seven".