42641147 has 2 divisors, whose sum is σ = 42641148. Its totient is φ = 42641146.

The previous prime is 42641141. The next prime is 42641153. The reversal of 42641147 is 74114624.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (42641141) and next prime (42641153).

It is a cyclic number.

It is not a de Polignac number, because 42641147 - 2¹⁸ = 42379003 is a prime.

It is not a weakly prime, because it can be changed into another prime (42641141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21320573 + 21320574.

It is an arithmetic number, because the mean of its divisors is an integer number (21320574).

Almost surely, 2^42641147 is an apocalyptic number.

42641147 is a deficient number, since it is larger than the sum of its proper divisors (1).

42641147 is an equidigital number, since it uses as much as digits as its factorization.

42641147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 29.

The square root of 42641147 is about 6530.0189126832. The cubic root of 42641147 is about 349.3625048681.

The spelling of 42641147 in words is "forty-two million, six hundred forty-one thousand, one hundred forty-seven".