425019456 has 63 divisors (see below), whose sum is σ = 1219661391. Its totient is φ = 141508224.

The previous prime is 425019437. The next prime is 425019457. The reversal of 425019456 is 654910524.

The square root of 425019456 is 20616.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 425019456.

It is not an unprimeable number, because it can be changed into a prime (425019457) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 494355 + ... + 495213.

Almost surely, 2^425019456 is an apocalyptic number.

425019456 is the 20616-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425019456

425019456 is an abundant number, since it is smaller than the sum of its proper divisors (794641935).

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

425019456 is an frugal number, since it uses more digits than its factorization.

425019456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The cubic root of 425019456 is about 751.8587708223.

Multiplying 425019456 by its sum of digits (36), we get a square (15300700416 = 123696²).

425019456 divided by its sum of digits (36) gives a square (11806096 = 3436²).

The spelling of 425019456 in words is "four hundred twenty-five million, nineteen thousand, four hundred fifty-six".