425441443 has 16 divisors (see below), whose sum is σ = 496419840. Its totient is φ = 357084000.

The previous prime is 425441431. The next prime is 425441453. The reversal of 425441443 is 344144524.

It is not a de Polignac number, because 425441443 - 2⁵ = 425441411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425441453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72213 + ... + 77881.

It is an arithmetic number, because the mean of its divisors is an integer number (31026240).

Almost surely, 2^425441443 is an apocalyptic number.

425441443 is a deficient number, since it is larger than the sum of its proper divisors (70978397).

425441443 is a wasteful number, since it uses less digits than its factorization.

425441443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898.

The product of its digits is 30720, while the sum is 31.

The square root of 425441443 is about 20626.2319147245. The cubic root of 425441443 is about 752.1075199693.

Adding to 425441443 its reverse (344144524), we get a palindrome (769585967).

The spelling of 425441443 in words is "four hundred twenty-five million, four hundred forty-one thousand, four hundred forty-three".