425812 has 6 divisors (see below), whose sum is σ = 745178. Its totient is φ = 212904.

The previous prime is 425801. The next prime is 425813. The reversal of 425812 is 218524.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 21316 = 636^2 + 146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425813) by changing a digit.

425812 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53223 + ... + 53230.

2⁴²⁵⁸¹² is an apocalyptic number.

It is an amenable number.

425812 is a deficient number, since it is larger than the sum of its proper divisors (319366).

425812 is a wasteful number, since it uses less digits than its factorization.

425812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106457 (or 106455 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 425812 is about 652.5427189081. The cubic root of 425812 is about 75.2325817015.

The spelling of 425812 in words is "four hundred twenty-five thousand, eight hundred twelve".