4200047 has 2 divisors, whose sum is σ = 4200048. Its totient is φ = 4200046.

The previous prime is 4200043. The next prime is 4200073. The reversal of 4200047 is 7400024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4200047 - 2² = 4200043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4199998 and 4200034.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4200043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100023 + 2100024.

It is an arithmetic number, because the mean of its divisors is an integer number (2100024).

Almost surely, 2^4200047 is an apocalyptic number.

4200047 is a deficient number, since it is larger than the sum of its proper divisors (1).

4200047 is an equidigital number, since it uses as much as digits as its factorization.

4200047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 17.

The square root of 4200047 is about 2049.4016199857. The cubic root of 4200047 is about 161.3434664347.

The spelling of 4200047 in words is "four million, two hundred thousand, forty-seven".