42700925 has 6 divisors (see below), whose sum is σ = 52949178. Its totient is φ = 34160720.

The previous prime is 42700907. The next prime is 42700951. The reversal of 42700925 is 52900724.

42700925 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 3 ways, for example, as 13853284 + 28847641 = 3722^2 + 5371^2 .

It is not a de Polignac number, because 42700925 - 2¹⁴ = 42684541 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 853994 + ... + 854043.

It is an arithmetic number, because the mean of its divisors is an integer number (8824863).

Almost surely, 2^42700925 is an apocalyptic number.

It is an amenable number.

42700925 is a deficient number, since it is larger than the sum of its proper divisors (10248253).

42700925 is a wasteful number, since it uses less digits than its factorization.

42700925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708047 (or 1708042 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 42700925 is about 6534.5944786192. The cubic root of 42700925 is about 349.5256840334.

The spelling of 42700925 in words is "forty-two million, seven hundred thousand, nine hundred twenty-five".