42662651 has 2 divisors, whose sum is σ = 42662652. Its totient is φ = 42662650.

The previous prime is 42662623. The next prime is 42662671. The reversal of 42662651 is 15626624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42662651 - 2¹⁴ = 42646267 is a prime.

It is a Chen prime.

It is equal to p_2585435 and since 42662651 and 2585435 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42662611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21331325 + 21331326.

It is an arithmetic number, because the mean of its divisors is an integer number (21331326).

Almost surely, 2^42662651 is an apocalyptic number.

42662651 is a deficient number, since it is larger than the sum of its proper divisors (1).

42662651 is an equidigital number, since it uses as much as digits as its factorization.

42662651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 42662651 is about 6531.6652547417. The cubic root of 42662651 is about 349.4212230257.

The spelling of 42662651 in words is "forty-two million, six hundred sixty-two thousand, six hundred fifty-one".