42517373 has 2 divisors, whose sum is σ = 42517374. Its totient is φ = 42517372.

The previous prime is 42517367. The next prime is 42517379. The reversal of 42517373 is 37371524.

42517373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (42517367) and next prime (42517379).

It can be written as a sum of positive squares in only one way, i.e., 32512804 + 10004569 = 5702^2 + 3163^2 .

It is a cyclic number.

It is not a de Polignac number, because 42517373 - 2¹⁴ = 42500989 is a prime.

It is a super-2 number, since 2×42517373² = 3615454013642258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42517379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21258686 + 21258687.

It is an arithmetic number, because the mean of its divisors is an integer number (21258687).

Almost surely, 2^42517373 is an apocalyptic number.

It is an amenable number.

42517373 is a deficient number, since it is larger than the sum of its proper divisors (1).

42517373 is an equidigital number, since it uses as much as digits as its factorization.

42517373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 42517373 is about 6520.5347173372. The cubic root of 42517373 is about 349.0241470089.

Adding to 42517373 its reverse (37371524), we get a palindrome (79888897).

The spelling of 42517373 in words is "forty-two million, five hundred seventeen thousand, three hundred seventy-three".