42611369 has 2 divisors, whose sum is σ = 42611370. Its totient is φ = 42611368.

The previous prime is 42611363. The next prime is 42611381. The reversal of 42611369 is 96311624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36421225 + 6190144 = 6035^2 + 2488^2 .

It is a cyclic number.

It is not a de Polignac number, because 42611369 - 2¹² = 42607273 is a prime.

It is a super-2 number, since 2×42611369² = 3631457536108322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42611363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21305684 + 21305685.

It is an arithmetic number, because the mean of its divisors is an integer number (21305685).

Almost surely, 2^42611369 is an apocalyptic number.

It is an amenable number.

42611369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42611369 is an equidigital number, since it uses as much as digits as its factorization.

42611369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 42611369 is about 6527.7384291958. The cubic root of 42611369 is about 349.2811613770.

The spelling of 42611369 in words is "forty-two million, six hundred eleven thousand, three hundred sixty-nine".