42315273 has 108 divisors (see below), whose sum is σ = 85544004. Its totient is φ = 19958400.

The previous prime is 42315269. The next prime is 42315277. The reversal of 42315273 is 37251324.

It is an interprime number because it is at equal distance from previous prime (42315269) and next prime (42315277).

It can be written as a sum of positive squares in 2 ways, for example, as 3415104 + 38900169 = 1848^2 + 6237^2 .

It is not a de Polignac number, because 42315273 - 2² = 42315269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315277) 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 in 107 ways as a sum of consecutive naturals, for example, 693663 + ... + 693723.

Almost surely, 2^42315273 is an apocalyptic number.

It is an amenable number.

42315273 is an abundant number, since it is smaller than the sum of its proper divisors (43228731).

42315273 is a wasteful number, since it uses less digits than its factorization.

42315273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 95 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 42315273 is about 6505.0190622319. The cubic root of 42315273 is about 348.4702570355.

Adding to 42315273 its reverse (37251324), we get a palindrome (79566597).

The spelling of 42315273 in words is "forty-two million, three hundred fifteen thousand, two hundred seventy-three".