425863212 has 12 divisors (see below), whose sum is σ = 993680856. Its totient is φ = 141954400.

The previous prime is 425863177. The next prime is 425863223. The reversal of 425863212 is 212368524.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17744289 + ... + 17744312.

It is an arithmetic number, because the mean of its divisors is an integer number (82806738).

Almost surely, 2^425863212 is an apocalyptic number.

It is an amenable number.

425863212 is an abundant number, since it is smaller than the sum of its proper divisors (567817644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425863212 is a wasteful number, since it uses less digits than its factorization.

425863212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35488608 (or 35488606 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 425863212 is about 20636.4534743739. The cubic root of 425863212 is about 752.3559763070.

The spelling of 425863212 in words is "four hundred twenty-five million, eight hundred sixty-three thousand, two hundred twelve".