42525306 has 24 divisors (see below), whose sum is σ = 96988320. Its totient is φ = 13428936.

The previous prime is 42525289. The next prime is 42525311. The reversal of 42525306 is 60352524.

It is a self number, because there is not a number n which added to its sum of digits gives 42525306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61830 + ... + 62513.

It is an arithmetic number, because the mean of its divisors is an integer number (4041180).

Almost surely, 2^42525306 is an apocalyptic number.

42525306 is an abundant number, since it is smaller than the sum of its proper divisors (54463014).

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

42525306 is a wasteful number, since it uses less digits than its factorization.

42525306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124370 (or 124367 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42525306 is about 6521.1429979721. The cubic root of 42525306 is about 349.0458529311.

The spelling of 42525306 in words is "forty-two million, five hundred twenty-five thousand, three hundred six".