5421047 has 2 divisors, whose sum is σ = 5421048. Its totient is φ = 5421046.

The previous prime is 5421043. The next prime is 5421071. The reversal of 5421047 is 7401245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5421047 - 2² = 5421043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5421043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710523 + 2710524.

It is an arithmetic number, because the mean of its divisors is an integer number (2710524).

Almost surely, 2^5421047 is an apocalyptic number.

5421047 is a deficient number, since it is larger than the sum of its proper divisors (1).

5421047 is an equidigital number, since it uses as much as digits as its factorization.

5421047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 5421047 is about 2328.3141970104. The cubic root of 5421047 is about 175.6687014004.

The spelling of 5421047 in words is "five million, four hundred twenty-one thousand, forty-seven".