42441277 has 2 divisors, whose sum is σ = 42441278. Its totient is φ = 42441276.

The previous prime is 42441271. The next prime is 42441313. The reversal of 42441277 is 77214424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41139396 + 1301881 = 6414^2 + 1141^2 .

It is a cyclic number.

It is not a de Polignac number, because 42441277 - 2⁷ = 42441149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42441271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21220638 + 21220639.

It is an arithmetic number, because the mean of its divisors is an integer number (21220639).

Almost surely, 2^42441277 is an apocalyptic number.

It is an amenable number.

42441277 is a deficient number, since it is larger than the sum of its proper divisors (1).

42441277 is an equidigital number, since it uses as much as digits as its factorization.

42441277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12544, while the sum is 31.

The square root of 42441277 is about 6514.6969998612. The cubic root of 42441277 is about 348.8157992179.

The spelling of 42441277 in words is "forty-two million, four hundred forty-one thousand, two hundred seventy-seven".