42154667 has 2 divisors, whose sum is σ = 42154668. Its totient is φ = 42154666.

The previous prime is 42154649. The next prime is 42154681. The reversal of 42154667 is 76645124.

42154667 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 not a de Polignac number, because 42154667 - 2¹⁸ = 41892523 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42154687) 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, 21077333 + 21077334.

It is an arithmetic number, because the mean of its divisors is an integer number (21077334).

Almost surely, 2^42154667 is an apocalyptic number.

42154667 is a deficient number, since it is larger than the sum of its proper divisors (1).

42154667 is an equidigital number, since it uses as much as digits as its factorization.

42154667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 42154667 is about 6492.6625509108. The cubic root of 42154667 is about 348.0288295797.

The spelling of 42154667 in words is "forty-two million, one hundred fifty-four thousand, six hundred sixty-seven".