425505312 has 120 divisors (see below), whose sum is σ = 1260173376. Its totient is φ = 140842368.

The previous prime is 425505293. The next prime is 425505329. The reversal of 425505312 is 213505524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 432373 + ... + 433355.

Almost surely, 2^425505312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425505312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630086688).

425505312 is an abundant number, since it is smaller than the sum of its proper divisors (834668064).

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

425505312 is a wasteful number, since it uses less digits than its factorization.

425505312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172 (or 1155 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 425505312 is about 20627.7801035400. The cubic root of 425505312 is about 752.1451545662.

The spelling of 425505312 in words is "four hundred twenty-five million, five hundred five thousand, three hundred twelve".