425532225425 has 12 divisors (see below), whose sum is σ = 529964158620. Its totient is φ = 338939200320.

The previous prime is 425532225421. The next prime is 425532225431. The reversal of 425532225425 is 524522235524.

It can be written as a sum of positive squares in 6 ways, for example, as 9238862161 + 416293363264 = 96119^2 + 645208^2 .

It is not a de Polignac number, because 425532225425 - 2² = 425532225421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425532225421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37158662 + ... + 37170111.

It is an arithmetic number, because the mean of its divisors is an integer number (44163679885).

Almost surely, 2^425532225425 is an apocalyptic number.

It is an amenable number.

425532225425 is a deficient number, since it is larger than the sum of its proper divisors (104431933195).

425532225425 is a wasteful number, since it uses less digits than its factorization.

425532225425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74329012 (or 74329007 counting only the distinct ones).

The product of its digits is 960000, while the sum is 41.

The spelling of 425532225425 in words is "four hundred twenty-five billion, five hundred thirty-two million, two hundred twenty-five thousand, four hundred twenty-five".