42160441 has 2 divisors, whose sum is σ = 42160442. Its totient is φ = 42160440.

The previous prime is 42160429. The next prime is 42160471. The reversal of 42160441 is 14406124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38700841 + 3459600 = 6221^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 42160441 - 2⁵ = 42160409 is a prime.

It is not a weakly prime, because it can be changed into another prime (42160421) 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, 21080220 + 21080221.

It is an arithmetic number, because the mean of its divisors is an integer number (21080221).

Almost surely, 2^42160441 is an apocalyptic number.

It is an amenable number.

42160441 is a deficient number, since it is larger than the sum of its proper divisors (1).

42160441 is an equidigital number, since it uses as much as digits as its factorization.

42160441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 42160441 is about 6493.1071914762. The cubic root of 42160441 is about 348.0447188976.

Adding to 42160441 its reverse (14406124), we get a palindrome (56566565).

The spelling of 42160441 in words is "forty-two million, one hundred sixty thousand, four hundred forty-one".