425416247 has 2 divisors, whose sum is σ = 425416248. Its totient is φ = 425416246.

The previous prime is 425416241. The next prime is 425416249. The reversal of 425416247 is 742614524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425416247 - 2⁴ = 425416231 is a prime.

Together with 425416249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425416241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212708123 + 212708124.

It is an arithmetic number, because the mean of its divisors is an integer number (212708124).

Almost surely, 2^425416247 is an apocalyptic number.

425416247 is a deficient number, since it is larger than the sum of its proper divisors (1).

425416247 is an equidigital number, since it uses as much as digits as its factorization.

425416247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 35.

The square root of 425416247 is about 20625.6211300412. The cubic root of 425416247 is about 752.0926722737.

The spelling of 425416247 in words is "four hundred twenty-five million, four hundred sixteen thousand, two hundred forty-seven".