425423500 has 48 divisors (see below), whose sum is σ = 932873760. Its totient is φ = 169483200.

The previous prime is 425423477. The next prime is 425423501. The reversal of 425423500 is 5324524.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (425423501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132919 + ... + 136081.

It is an arithmetic number, because the mean of its divisors is an integer number (19434870).

Almost surely, 2^425423500 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 425423500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466436880).

425423500 is an abundant number, since it is smaller than the sum of its proper divisors (507450260).

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

425423500 is a wasteful number, since it uses less digits than its factorization.

425423500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 425423500 is about 20625.7969542997. The cubic root of 425423500 is about 752.0969464382.

The spelling of 425423500 in words is "four hundred twenty-five million, four hundred twenty-three thousand, five hundred".