42546373 has 2 divisors, whose sum is σ = 42546374. Its totient is φ = 42546372.

The previous prime is 42546367. The next prime is 42546401. The reversal of 42546373 is 37364524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 8054244 = 5873^2 + 2838^2 .

It is a cyclic number.

It is not a de Polignac number, because 42546373 - 2²¹ = 40449221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42546173) 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, 21273186 + 21273187.

It is an arithmetic number, because the mean of its divisors is an integer number (21273187).

Almost surely, 2^42546373 is an apocalyptic number.

It is an amenable number.

42546373 is a deficient number, since it is larger than the sum of its proper divisors (1).

42546373 is an equidigital number, since it uses as much as digits as its factorization.

42546373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 34.

The square root of 42546373 is about 6522.7580822839. The cubic root of 42546373 is about 349.1034824207.

The spelling of 42546373 in words is "forty-two million, five hundred forty-six thousand, three hundred seventy-three".