425555 has 8 divisors (see below), whose sum is σ = 550032. Its totient is φ = 314208.

The previous prime is 425549. The next prime is 425563. The reversal of 425555 is 555524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425555 - 2¹² = 421459 is a prime.

It is a Duffinian number.

425555 is a modest number, since divided by 555 gives 425 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3209 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (68754).

2⁴²⁵⁵⁵⁵ is an apocalyptic number.

425555 is a deficient number, since it is larger than the sum of its proper divisors (124477).

425555 is a wasteful number, since it uses less digits than its factorization.

425555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565.

The product of its digits is 5000, while the sum is 26.

The square root of 425555 is about 652.3457672124. The cubic root of 425555 is about 75.2174430451.

The spelling of 425555 in words is "four hundred twenty-five thousand, five hundred fifty-five".