4142947 has 2 divisors, whose sum is σ = 4142948. Its totient is φ = 4142946.

The previous prime is 4142939. The next prime is 4142989. The reversal of 4142947 is 7492414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4142947 - 2³ = 4142939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4140947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2071473 + 2071474.

It is an arithmetic number, because the mean of its divisors is an integer number (2071474).

Almost surely, 2^4142947 is an apocalyptic number.

4142947 is a deficient number, since it is larger than the sum of its proper divisors (1).

4142947 is an equidigital number, since it uses as much as digits as its factorization.

4142947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 4142947 is about 2035.4230518494. The cubic root of 4142947 is about 160.6089683566.

The spelling of 4142947 in words is "four million, one hundred forty-two thousand, nine hundred forty-seven".