210104047 has 2 divisors, whose sum is σ = 210104048. Its totient is φ = 210104046.

The previous prime is 210104029. The next prime is 210104077. The reversal of 210104047 is 740401012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210104047 - 2²³ = 201715439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210104017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105052023 + 105052024.

It is an arithmetic number, because the mean of its divisors is an integer number (105052024).

Almost surely, 2^210104047 is an apocalyptic number.

210104047 is a deficient number, since it is larger than the sum of its proper divisors (1).

210104047 is an equidigital number, since it uses as much as digits as its factorization.

210104047 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 19.

The square root of 210104047 is about 14494.9662641898. The cubic root of 210104047 is about 594.4903452980.

Adding to 210104047 its reverse (740401012), we get a palindrome (950505059).

The spelling of 210104047 in words is "two hundred ten million, one hundred four thousand, forty-seven".