42916625 has 8 divisors (see below), whose sum is σ = 53560104. Its totient is φ = 34333200.

The previous prime is 42916579. The next prime is 42916631. The reversal of 42916625 is 52661924.

It is a happy number.

42916625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1024 + 42915601 = 32^2 + 6551^2 .

It is not a de Polignac number, because 42916625 - 2¹⁶ = 42851089 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 171542 + ... + 171791.

It is an arithmetic number, because the mean of its divisors is an integer number (6695013).

Almost surely, 2^42916625 is an apocalyptic number.

It is an amenable number.

42916625 is a deficient number, since it is larger than the sum of its proper divisors (10643479).

42916625 is an equidigital number, since it uses as much as digits as its factorization.

42916625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343348 (or 343338 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 42916625 is about 6551.0781555405. The cubic root of 42916625 is about 350.1132286715.

The spelling of 42916625 in words is "forty-two million, nine hundred sixteen thousand, six hundred twenty-five".