425743721225 has 48 divisors (see below), whose sum is σ = 589697971200. Its totient is φ = 303408198720.

The previous prime is 425743721201. The next prime is 425743721267. The reversal of 425743721225 is 522127347524.

It is not a de Polignac number, because 425743721225 - 2¹⁰ = 425743720201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 314324 + ... + 974826.

It is an arithmetic number, because the mean of its divisors is an integer number (12285374400).

Almost surely, 2^425743721225 is an apocalyptic number.

It is an amenable number.

425743721225 is a deficient number, since it is larger than the sum of its proper divisors (163954249975).

425743721225 is a wasteful number, since it uses less digits than its factorization.

425743721225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660614 (or 660609 counting only the distinct ones).

The product of its digits is 940800, while the sum is 44.

The spelling of 425743721225 in words is "four hundred twenty-five billion, seven hundred forty-three million, seven hundred twenty-one thousand, two hundred twenty-five".