42595613 has 2 divisors, whose sum is σ = 42595614. Its totient is φ = 42595612.

The previous prime is 42595601. The next prime is 42595661. The reversal of 42595613 is 31659524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 19909444 = 4763^2 + 4462^2 .

It is a cyclic number.

It is not a de Polignac number, because 42595613 - 2¹⁶ = 42530077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42595213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21297806 + 21297807.

It is an arithmetic number, because the mean of its divisors is an integer number (21297807).

Almost surely, 2^42595613 is an apocalyptic number.

It is an amenable number.

42595613 is a deficient number, since it is larger than the sum of its proper divisors (1).

42595613 is an equidigital number, since it uses as much as digits as its factorization.

42595613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 42595613 is about 6526.5314677859. The cubic root of 42595613 is about 349.2381059472.

The spelling of 42595613 in words is "forty-two million, five hundred ninety-five thousand, six hundred thirteen".