425345047 has 2 divisors, whose sum is σ = 425345048. Its totient is φ = 425345046.

The previous prime is 425345033. The next prime is 425345051. The reversal of 425345047 is 740543524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425345047 - 2⁷ = 425344919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425345027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212672523 + 212672524.

It is an arithmetic number, because the mean of its divisors is an integer number (212672524).

Almost surely, 2^425345047 is an apocalyptic number.

425345047 is a deficient number, since it is larger than the sum of its proper divisors (1).

425345047 is an equidigital number, since it uses as much as digits as its factorization.

425345047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 34.

The square root of 425345047 is about 20623.8950491899. The cubic root of 425345047 is about 752.0507118123.

The spelling of 425345047 in words is "four hundred twenty-five million, three hundred forty-five thousand, forty-seven".