425500305445 has 4 divisors (see below), whose sum is σ = 510600366540. Its totient is φ = 340400244352.

The previous prime is 425500305431. The next prime is 425500305491. The reversal of 425500305445 is 544503005524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110068678756 + 315431626689 = 331766^2 + 561633^2 .

It is a cyclic number.

It is not a de Polignac number, because 425500305445 - 2⁷ = 425500305317 is a prime.

It is a super-3 number, since 3×425500305445³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42550030540 + ... + 42550030549.

It is an arithmetic number, because the mean of its divisors is an integer number (127650091635).

Almost surely, 2^425500305445 is an apocalyptic number.

It is an amenable number.

425500305445 is a deficient number, since it is larger than the sum of its proper divisors (85100061095).

425500305445 is an equidigital number, since it uses as much as digits as its factorization.

425500305445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85100061094.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 425500305445 in words is "four hundred twenty-five billion, five hundred million, three hundred five thousand, four hundred forty-five".