42766051 has 2 divisors, whose sum is σ = 42766052. Its totient is φ = 42766050.

The previous prime is 42766049. The next prime is 42766079. The reversal of 42766051 is 15066724.

It is a happy number.

42766051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42766051 - 2¹ = 42766049 is a prime.

Together with 42766049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42766001) 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, 21383025 + 21383026.

It is an arithmetic number, because the mean of its divisors is an integer number (21383026).

Almost surely, 2^42766051 is an apocalyptic number.

42766051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42766051 is an equidigital number, since it uses as much as digits as its factorization.

42766051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 42766051 is about 6539.5757507655. The cubic root of 42766051 is about 349.7032886711.

The spelling of 42766051 in words is "forty-two million, seven hundred sixty-six thousand, fifty-one".