425143305 has 12 divisors (see below), whose sum is σ = 736915140. Its totient is φ = 226743072.

The previous prime is 425143291. The next prime is 425143307. The reversal of 425143305 is 503341524.

It can be written as a sum of positive squares in 2 ways, for example, as 153289161 + 271854144 = 12381^2 + 16488^2 .

It is not a de Polignac number, because 425143305 - 2⁹ = 425142793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425143307) 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 11 ways as a sum of consecutive naturals, for example, 4723770 + ... + 4723859.

It is an arithmetic number, because the mean of its divisors is an integer number (61409595).

Almost surely, 2^425143305 is an apocalyptic number.

425143305 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425143305 is a deficient number, since it is larger than the sum of its proper divisors (311771835).

425143305 is a wasteful number, since it uses less digits than its factorization.

425143305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447640 (or 9447637 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 425143305 is about 20619.0034919246. The cubic root of 425143305 is about 751.9317932942.

Adding to 425143305 its reverse (503341524), we get a palindrome (928484829).

The spelling of 425143305 in words is "four hundred twenty-five million, one hundred forty-three thousand, three hundred five".