42385526 has 4 divisors (see below), whose sum is σ = 63578292. Its totient is φ = 21192762.

The previous prime is 42385517. The next prime is 42385537. The reversal of 42385526 is 62558324.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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, 10596380 + ... + 10596383.

It is an arithmetic number, because the mean of its divisors is an integer number (15894573).

Almost surely, 2^42385526 is an apocalyptic number.

42385526 is a deficient number, since it is larger than the sum of its proper divisors (21192766).

42385526 is a wasteful number, since it uses less digits than its factorization.

42385526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192765.

The product of its digits is 57600, while the sum is 35.

The square root of 42385526 is about 6510.4167301333. The cubic root of 42385526 is about 348.6629971004.

The spelling of 42385526 in words is "forty-two million, three hundred eighty-five thousand, five hundred twenty-six".