42613811 has 2 divisors, whose sum is σ = 42613812. Its totient is φ = 42613810.

The previous prime is 42613793. The next prime is 42613843. The reversal of 42613811 is 11831624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42613811 - 2¹⁸ = 42351667 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42613211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21306905 + 21306906.

It is an arithmetic number, because the mean of its divisors is an integer number (21306906).

Almost surely, 2^42613811 is an apocalyptic number.

42613811 is a deficient number, since it is larger than the sum of its proper divisors (1).

42613811 is an equidigital number, since it uses as much as digits as its factorization.

42613811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 26.

The square root of 42613811 is about 6527.9254744520. The cubic root of 42613811 is about 349.2878335267.

The spelling of 42613811 in words is "forty-two million, six hundred thirteen thousand, eight hundred eleven".