425434445 has 8 divisors (see below), whose sum is σ = 520154136. Its totient is φ = 333925696.

The previous prime is 425434441. The next prime is 425434463. The reversal of 425434445 is 544434524.

It can be written as a sum of positive squares in 4 ways, for example, as 193237801 + 232196644 = 13901^2 + 15238^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425434445 - 2² = 425434441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425434441) 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 in 7 ways as a sum of consecutive naturals, for example, 802442 + ... + 802971.

It is an arithmetic number, because the mean of its divisors is an integer number (65019267).

Almost surely, 2^425434445 is an apocalyptic number.

It is an amenable number.

425434445 is a deficient number, since it is larger than the sum of its proper divisors (94719691).

425434445 is a wasteful number, since it uses less digits than its factorization.

425434445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605471.

The product of its digits is 153600, while the sum is 35.

The square root of 425434445 is about 20626.0622756744. The cubic root of 425434445 is about 752.1033961920.

Adding to 425434445 its reverse (544434524), we get a palindrome (969868969).

The spelling of 425434445 in words is "four hundred twenty-five million, four hundred thirty-four thousand, four hundred forty-five".