42075311 has 2 divisors, whose sum is σ = 42075312. Its totient is φ = 42075310.

The previous prime is 42075301. The next prime is 42075337. The reversal of 42075311 is 11357024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42075311 - 2⁶ = 42075247 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 (42075301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21037655 + 21037656.

It is an arithmetic number, because the mean of its divisors is an integer number (21037656).

Almost surely, 2^42075311 is an apocalyptic number.

42075311 is a deficient number, since it is larger than the sum of its proper divisors (1).

42075311 is an equidigital number, since it uses as much as digits as its factorization.

42075311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 42075311 is about 6486.5484658638. The cubic root of 42075311 is about 347.8103047497.

The spelling of 42075311 in words is "forty-two million, seventy-five thousand, three hundred eleven".