425783385 has 56 divisors (see below), whose sum is σ = 771220800. Its totient is φ = 225558432.

The previous prime is 425783359. The next prime is 425783437. The reversal of 425783385 is 583387524.

425783385 is a `hidden beast` number, since 42 + 578 + 3 + 38 + 5 = 666.

It is not a de Polignac number, because 425783385 - 2⁷ = 425783257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 425783385.

It is an unprimeable number.

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 in 55 ways as a sum of consecutive naturals, for example, 725062 + ... + 725648.

It is an arithmetic number, because the mean of its divisors is an integer number (13771800).

Almost surely, 2^425783385 is an apocalyptic number.

425783385 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425783385 is a deficient number, since it is larger than the sum of its proper divisors (345437415).

425783385 is an equidigital number, since it uses as much as digits as its factorization.

425783385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 794 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 425783385 is about 20634.5192577874. The cubic root of 425783385 is about 752.3089642839.

The spelling of 425783385 in words is "four hundred twenty-five million, seven hundred eighty-three thousand, three hundred eighty-five".