42793613 has 2 divisors, whose sum is σ = 42793614. Its totient is φ = 42793612.

The previous prime is 42793601. The next prime is 42793633. The reversal of 42793613 is 31639724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41705764 + 1087849 = 6458^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 42793613 - 2¹⁸ = 42531469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42793633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21396806 + 21396807.

It is an arithmetic number, because the mean of its divisors is an integer number (21396807).

Almost surely, 2^42793613 is an apocalyptic number.

It is an amenable number.

42793613 is a deficient number, since it is larger than the sum of its proper divisors (1).

42793613 is an equidigital number, since it uses as much as digits as its factorization.

42793613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 42793613 is about 6541.6827345875. The cubic root of 42793613 is about 349.7783984988.

The spelling of 42793613 in words is "forty-two million, seven hundred ninety-three thousand, six hundred thirteen".