42625524 has 24 divisors (see below), whose sum is σ = 99580320. Its totient is φ = 14191264.

The previous prime is 42625523. The next prime is 42625529. The reversal of 42625524 is 42552624.

It is a happy number.

42625524 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42625524³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42625491 and 42625500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42625523) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11707 + ... + 14909.

It is an arithmetic number, because the mean of its divisors is an integer number (4149180).

Almost surely, 2^42625524 is an apocalyptic number.

It is an amenable number.

42625524 is an abundant number, since it is smaller than the sum of its proper divisors (56954796).

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

42625524 is a wasteful number, since it uses less digits than its factorization.

42625524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4319 (or 4317 counting only the distinct ones).

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

The square root of 42625524 is about 6528.8225584710. The cubic root of 42625524 is about 349.3198328051.

Subtracting from 42625524 its reverse (42552624), we obtain a square (72900 = 270²).

The spelling of 42625524 in words is "forty-two million, six hundred twenty-five thousand, five hundred twenty-four".