425147 has 2 divisors, whose sum is σ = 425148. Its totient is φ = 425146.

The previous prime is 425123. The next prime is 425149. The reversal of 425147 is 741524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425147 - 2⁶ = 425083 is a prime.

Together with 425149, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425147.

It is not a weakly prime, because it can be changed into another prime (425149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212573 + 212574.

It is an arithmetic number, because the mean of its divisors is an integer number (212574).

2⁴²⁵¹⁴⁷ is an apocalyptic number.

425147 is a deficient number, since it is larger than the sum of its proper divisors (1).

425147 is an equidigital number, since it uses as much as digits as its factorization.

425147 is an odious number, because the sum of its binary digits is odd.

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

The square root of 425147 is about 652.0329746263. The cubic root of 425147 is about 75.1933971681.

The spelling of 425147 in words is "four hundred twenty-five thousand, one hundred forty-seven".