425855225 has 6 divisors (see below), whose sum is σ = 528060510. Its totient is φ = 340684160.

The previous prime is 425855207. The next prime is 425855239. The reversal of 425855225 is 522558524.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 112423609 + 313431616 = 10603^2 + 17704^2 .

It is not a de Polignac number, because 425855225 - 2⁶ = 425855161 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8517080 + ... + 8517129.

It is an arithmetic number, because the mean of its divisors is an integer number (88010085).

Almost surely, 2^425855225 is an apocalyptic number.

It is an amenable number.

425855225 is a deficient number, since it is larger than the sum of its proper divisors (102205285).

425855225 is a wasteful number, since it uses less digits than its factorization.

425855225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17034219 (or 17034214 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The square root of 425855225 is about 20636.2599566879. The cubic root of 425855225 is about 752.3512728368.

The spelling of 425855225 in words is "four hundred twenty-five million, eight hundred fifty-five thousand, two hundred twenty-five".