42754273 has 2 divisors, whose sum is σ = 42754274. Its totient is φ = 42754272.

The previous prime is 42754223. The next prime is 42754307. The reversal of 42754273 is 37245724.

It is an a-pointer prime, because the next prime (42754307) can be obtained adding 42754273 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42732369 + 21904 = 6537^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 42754273 - 2⁹ = 42753761 is a prime.

It is not a weakly prime, because it can be changed into another prime (42754223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21377136 + 21377137.

It is an arithmetic number, because the mean of its divisors is an integer number (21377137).

Almost surely, 2^42754273 is an apocalyptic number.

It is an amenable number.

42754273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42754273 is an equidigital number, since it uses as much as digits as its factorization.

42754273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 34.

The square root of 42754273 is about 6538.6751716231. The cubic root of 42754273 is about 349.6711823359.

Adding to 42754273 its reverse (37245724), we get a palindrome (79999997).

The spelling of 42754273 in words is "forty-two million, seven hundred fifty-four thousand, two hundred seventy-three".