425515443 has 16 divisors (see below), whose sum is σ = 579296256. Its totient is φ = 277748640.

The previous prime is 425515417. The next prime is 425515477. The reversal of 425515443 is 344515524.

It is not a de Polignac number, because 425515443 - 2⁵ = 425515411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425515843) 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 15 ways as a sum of consecutive naturals, for example, 35596 + ... + 46022.

It is an arithmetic number, because the mean of its divisors is an integer number (36206016).

Almost surely, 2^425515443 is an apocalyptic number.

425515443 is a deficient number, since it is larger than the sum of its proper divisors (153780813).

425515443 is a wasteful number, since it uses less digits than its factorization.

425515443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10714.

The product of its digits is 48000, while the sum is 33.

The square root of 425515443 is about 20628.0256689776. The cubic root of 425515443 is about 752.1511238783.

The spelling of 425515443 in words is "four hundred twenty-five million, five hundred fifteen thousand, four hundred forty-three".