42541277 has 2 divisors, whose sum is σ = 42541278. Its totient is φ = 42541276.

The previous prime is 42541273. The next prime is 42541307. The reversal of 42541277 is 77214524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27994681 + 14546596 = 5291^2 + 3814^2 .

It is a cyclic number.

It is not a de Polignac number, because 42541277 - 2² = 42541273 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 (42541271) 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, 21270638 + 21270639.

It is an arithmetic number, because the mean of its divisors is an integer number (21270639).

Almost surely, 2^42541277 is an apocalyptic number.

It is an amenable number.

42541277 is a deficient number, since it is larger than the sum of its proper divisors (1).

42541277 is an equidigital number, since it uses as much as digits as its factorization.

42541277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15680, while the sum is 32.

The square root of 42541277 is about 6522.3674382850. The cubic root of 42541277 is about 349.0895438853.

The spelling of 42541277 in words is "forty-two million, five hundred forty-one thousand, two hundred seventy-seven".