42310273 has 2 divisors, whose sum is σ = 42310274. Its totient is φ = 42310272.

The previous prime is 42310259. The next prime is 42310291. The reversal of 42310273 is 37201324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36820624 + 5489649 = 6068^2 + 2343^2 .

It is a cyclic number.

It is not a de Polignac number, because 42310273 - 2⁵ = 42310241 is a prime.

It is not a weakly prime, because it can be changed into another prime (42310243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155136 + 21155137.

It is an arithmetic number, because the mean of its divisors is an integer number (21155137).

Almost surely, 2^42310273 is an apocalyptic number.

It is an amenable number.

42310273 is a deficient number, since it is larger than the sum of its proper divisors (1).

42310273 is an equidigital number, since it uses as much as digits as its factorization.

42310273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 42310273 is about 6504.6347322505. The cubic root of 42310273 is about 348.4565313380.

Adding to 42310273 its reverse (37201324), we get a palindrome (79511597).

The spelling of 42310273 in words is "forty-two million, three hundred ten thousand, two hundred seventy-three".