425788905 has 32 divisors (see below), whose sum is σ = 692841600. Its totient is φ = 223258112.

The previous prime is 425788901. The next prime is 425788931. The reversal of 425788905 is 509887524.

It is a cyclic number.

It is not a de Polignac number, because 425788905 - 2² = 425788901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425788901) 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 in 31 ways as a sum of consecutive naturals, for example, 262186 + ... + 263804.

It is an arithmetic number, because the mean of its divisors is an integer number (21651300).

Almost surely, 2^425788905 is an apocalyptic number.

It is an amenable number.

425788905 is a deficient number, since it is larger than the sum of its proper divisors (267052695).

425788905 is a wasteful number, since it uses less digits than its factorization.

425788905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913.

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 425788905 is about 20634.6530138018. The cubic root of 425788905 is about 752.3122153326.

The spelling of 425788905 in words is "four hundred twenty-five million, seven hundred eighty-eight thousand, nine hundred five".