425505583 has 2 divisors, whose sum is σ = 425505584. Its totient is φ = 425505582.

The previous prime is 425505569. The next prime is 425505601. The reversal of 425505583 is 385505524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425505583 - 2⁹ = 425505071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425505383) 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, 212752791 + 212752792.

It is an arithmetic number, because the mean of its divisors is an integer number (212752792).

Almost surely, 2^425505583 is an apocalyptic number.

425505583 is a deficient number, since it is larger than the sum of its proper divisors (1).

425505583 is an equidigital number, since it uses as much as digits as its factorization.

425505583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 425505583 is about 20627.7866723505. The cubic root of 425505583 is about 752.1453142440.

The spelling of 425505583 in words is "four hundred twenty-five million, five hundred five thousand, five hundred eighty-three".