42524415 has 12 divisors (see below), whose sum is σ = 73709064. Its totient is φ = 22679664.

The previous prime is 42524407. The next prime is 42524441. The reversal of 42524415 is 51442524.

It is not a de Polignac number, because 42524415 - 2³ = 42524407 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472449 + ... + 472538.

It is an arithmetic number, because the mean of its divisors is an integer number (6142422).

Almost surely, 2^42524415 is an apocalyptic number.

42524415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42524415 is a deficient number, since it is larger than the sum of its proper divisors (31184649).

42524415 is a wasteful number, since it uses less digits than its factorization.

42524415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944998 (or 944995 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 42524415 is about 6521.0746813696. The cubic root of 42524415 is about 349.0434151511.

Adding to 42524415 its reverse (51442524), we get a palindrome (93966939).

The spelling of 42524415 in words is "forty-two million, five hundred twenty-four thousand, four hundred fifteen".