42512325 has 24 divisors (see below), whose sum is σ = 74423808. Its totient is φ = 21338880.

The previous prime is 42512317. The next prime is 42512341. The reversal of 42512325 is 52321524.

42512325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42512325 - 2³ = 42512317 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42512295 and 42512304.

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 23 ways as a sum of consecutive naturals, for example, 15397 + ... + 17946.

It is an arithmetic number, because the mean of its divisors is an integer number (3100992).

Almost surely, 2^42512325 is an apocalyptic number.

It is an amenable number.

42512325 is a deficient number, since it is larger than the sum of its proper divisors (31911483).

42512325 is a wasteful number, since it uses less digits than its factorization.

42512325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33373 (or 33368 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 42512325 is about 6520.1476210282. The cubic root of 42512325 is about 349.0103334899.

Adding to 42512325 its reverse (52321524), we get a palindrome (94833849).

The spelling of 42512325 in words is "forty-two million, five hundred twelve thousand, three hundred twenty-five".