42641051 has 2 divisors, whose sum is σ = 42641052. Its totient is φ = 42641050.

The previous prime is 42641033. The next prime is 42641063. The reversal of 42641051 is 15014624.

42641051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42641051 is a prime.

It is not a weakly prime, because it can be changed into another prime (42641351) 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, 21320525 + 21320526.

It is an arithmetic number, because the mean of its divisors is an integer number (21320526).

Almost surely, 2^42641051 is an apocalyptic number.

42641051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42641051 is an equidigital number, since it uses as much as digits as its factorization.

42641051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 42641051 is about 6530.0115620112. The cubic root of 42641051 is about 349.3622426892.

Adding to 42641051 its reverse (15014624), we get a palindrome (57655675).

The spelling of 42641051 in words is "forty-two million, six hundred forty-one thousand, fifty-one".