425387 has 2 divisors, whose sum is σ = 425388. Its totient is φ = 425386.

The previous prime is 425377. The next prime is 425393. The reversal of 425387 is 783524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425387 - 2¹⁶ = 359851 is a prime.

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 425387.

It is not a weakly prime, because it can be changed into another prime (425317) 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, 212693 + 212694.

It is an arithmetic number, because the mean of its divisors is an integer number (212694).

2⁴²⁵³⁸⁷ is an apocalyptic number.

425387 is a deficient number, since it is larger than the sum of its proper divisors (1).

425387 is an equidigital number, since it uses as much as digits as its factorization.

425387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 425387 is about 652.2169884325. The cubic root of 425387 is about 75.2075436638.

The spelling of 425387 in words is "four hundred twenty-five thousand, three hundred eighty-seven".