42524250 has 96 divisors (see below), whose sum is σ = 111533760. Its totient is φ = 10788000.

The previous prime is 42524239. The next prime is 42524329. The reversal of 42524250 is 5242524.

It is a happy number.

42524250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42524250.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 720721 + ... + 720779.

It is an arithmetic number, because the mean of its divisors is an integer number (1161810).

Almost surely, 2^42524250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42524250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55766880).

42524250 is an abundant number, since it is smaller than the sum of its proper divisors (69009510).

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

42524250 is a wasteful number, since it uses less digits than its factorization.

42524250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 42524250 is about 6521.0620300684. The cubic root of 42524250 is about 349.0429637066.

Adding to 42524250 its reverse (5242524), we get a palindrome (47766774).

The spelling of 42524250 in words is "forty-two million, five hundred twenty-four thousand, two hundred fifty".