425305424 has 40 divisors (see below), whose sum is σ = 876402240. Its totient is φ = 199369728.

The previous prime is 425305421. The next prime is 425305429. The reversal of 425305424 is 424503524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425305421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22277 + ... + 36699.

It is an arithmetic number, because the mean of its divisors is an integer number (21910056).

Almost surely, 2^425305424 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 425305424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438201120).

425305424 is an abundant number, since it is smaller than the sum of its proper divisors (451096816).

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

425305424 is a wasteful number, since it uses less digits than its factorization.

425305424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547 (or 14541 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 425305424 is about 20622.9344177787. The cubic root of 425305424 is about 752.0273586697.

Adding to 425305424 its reverse (424503524), we get a palindrome (849808948).

The spelling of 425305424 in words is "four hundred twenty-five million, three hundred five thousand, four hundred twenty-four".