42524526 has 32 divisors (see below), whose sum is σ = 93477888. Its totient is φ = 12789440.

The previous prime is 42524513. The next prime is 42524533. The reversal of 42524526 is 62542524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42524493 and 42524502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6691 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 2^42524526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42524526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46738944).

42524526 is an abundant number, since it is smaller than the sum of its proper divisors (50953362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42524526 is a wasteful number, since it uses less digits than its factorization.

42524526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4856.

The product of its digits is 19200, while the sum is 30.

The square root of 42524526 is about 6521.0831922312. The cubic root of 42524526 is about 349.0437188495.

It can be divided in two parts, 4252 and 4526, that added together give a palindrome (8778).

The spelling of 42524526 in words is "forty-two million, five hundred twenty-four thousand, five hundred twenty-six".