42546293 has 2 divisors, whose sum is σ = 42546294. Its totient is φ = 42546292.

The previous prime is 42546289. The next prime is 42546349. The reversal of 42546293 is 39264524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42081169 + 465124 = 6487^2 + 682^2 .

It is a cyclic number.

It is not a de Polignac number, because 42546293 - 2² = 42546289 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42546193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21273146 + 21273147.

It is an arithmetic number, because the mean of its divisors is an integer number (21273147).

Almost surely, 2^42546293 is an apocalyptic number.

It is an amenable number.

42546293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42546293 is an equidigital number, since it uses as much as digits as its factorization.

42546293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 35.

The square root of 42546293 is about 6522.7519499058. The cubic root of 42546293 is about 349.1032636140.

The spelling of 42546293 in words is "forty-two million, five hundred forty-six thousand, two hundred ninety-three".