42525500 has 48 divisors (see below), whose sum is σ = 98358624. Its totient is φ = 16006400.

The previous prime is 42525481. The next prime is 42525541. The reversal of 42525500 is 552524.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

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, 5999 + ... + 11001.

It is an arithmetic number, because the mean of its divisors is an integer number (2049138).

Almost surely, 2^42525500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42525500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49179312).

42525500 is an abundant number, since it is smaller than the sum of its proper divisors (55833124).

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

42525500 is a wasteful number, since it uses less digits than its factorization.

42525500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5039 (or 5027 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 42525500 is about 6521.1578726481. The cubic root of 42525500 is about 349.0463837115.

The spelling of 42525500 in words is "forty-two million, five hundred twenty-five thousand, five hundred".