42315524 has 24 divisors (see below), whose sum is σ = 76991040. Its totient is φ = 20325536.

The previous prime is 42315523. The next prime is 42315529. The reversal of 42315524 is 42551324.

It is a happy number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 42315493 and 42315502.

It is not an unprimeable number, because it can be changed into a prime (42315521) 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 in 7 ways as a sum of consecutive naturals, for example, 25529 + ... + 27135.

It is an arithmetic number, because the mean of its divisors is an integer number (3207960).

Almost surely, 2^42315524 is an apocalyptic number.

It is an amenable number.

42315524 is a deficient number, since it is larger than the sum of its proper divisors (34675516).

42315524 is a wasteful number, since it uses less digits than its factorization.

42315524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867 (or 1865 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 42315524 is about 6505.0383549984. The cubic root of 42315524 is about 348.4709460370.

Adding to 42315524 its reverse (42551324), we get a palindrome (84866848).

The spelling of 42315524 in words is "forty-two million, three hundred fifteen thousand, five hundred twenty-four".