210425147 has 2 divisors, whose sum is σ = 210425148. Its totient is φ = 210425146.

The previous prime is 210425143. The next prime is 210425153. The reversal of 210425147 is 741524012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210425147 - 2² = 210425143 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (210425143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105212573 + 105212574.

It is an arithmetic number, because the mean of its divisors is an integer number (105212574).

Almost surely, 2^210425147 is an apocalyptic number.

210425147 is a deficient number, since it is larger than the sum of its proper divisors (1).

210425147 is an equidigital number, since it uses as much as digits as its factorization.

210425147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 210425147 is about 14506.0382944483. The cubic root of 210425147 is about 594.7930424450.

Adding to 210425147 its reverse (741524012), we get a palindrome (951949159).

The spelling of 210425147 in words is "two hundred ten million, four hundred twenty-five thousand, one hundred forty-seven".