42250343 has 2 divisors, whose sum is σ = 42250344. Its totient is φ = 42250342.

The previous prime is 42250339. The next prime is 42250349. The reversal of 42250343 is 34305224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42250343 - 2² = 42250339 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42250349) 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, 21125171 + 21125172.

It is an arithmetic number, because the mean of its divisors is an integer number (21125172).

Almost surely, 2^42250343 is an apocalyptic number.

42250343 is a deficient number, since it is larger than the sum of its proper divisors (1).

42250343 is an equidigital number, since it uses as much as digits as its factorization.

42250343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 42250343 is about 6500.0263845618. The cubic root of 42250343 is about 348.2919309068.

Adding to 42250343 its reverse (34305224), we get a palindrome (76555567).

The spelling of 42250343 in words is "forty-two million, two hundred fifty thousand, three hundred forty-three".