42625085 has 4 divisors (see below), whose sum is σ = 51150108. Its totient is φ = 34100064.

The previous prime is 42625057. The next prime is 42625127. The reversal of 42625085 is 58052624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22221796 + 20403289 = 4714^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 42625085 - 2⁶ = 42625021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262504 + ... + 4262513.

It is an arithmetic number, because the mean of its divisors is an integer number (12787527).

Almost surely, 2^42625085 is an apocalyptic number.

It is an amenable number.

42625085 is a deficient number, since it is larger than the sum of its proper divisors (8525023).

42625085 is an equidigital number, since it uses as much as digits as its factorization.

42625085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525022.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 42625085 is about 6528.7889382335. The cubic root of 42625085 is about 349.3186335868.

The spelling of 42625085 in words is "forty-two million, six hundred twenty-five thousand, eighty-five".