42895837 has 2 divisors, whose sum is σ = 42895838. Its totient is φ = 42895836.

The previous prime is 42895829. The next prime is 42895849. The reversal of 42895837 is 73859824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39677401 + 3218436 = 6299^2 + 1794^2 .

It is a cyclic number.

It is not a de Polignac number, because 42895837 - 2³ = 42895829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42895807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21447918 + 21447919.

It is an arithmetic number, because the mean of its divisors is an integer number (21447919).

Almost surely, 2^42895837 is an apocalyptic number.

It is an amenable number.

42895837 is a deficient number, since it is larger than the sum of its proper divisors (1).

42895837 is an equidigital number, since it uses as much as digits as its factorization.

42895837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 46.

The square root of 42895837 is about 6549.4913542961. The cubic root of 42895837 is about 350.0566901370.

The spelling of 42895837 in words is "forty-two million, eight hundred ninety-five thousand, eight hundred thirty-seven".