524425320 has 128 divisors (see below), whose sum is σ = 1753142400. Its totient is φ = 139442688.

The previous prime is 524425313. The next prime is 524425397. The reversal of 524425320 is 23524425.

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 31 ways as a sum of consecutive naturals, for example, 665967 + ... + 666753.

It is an arithmetic number, because the mean of its divisors is an integer number (13696425).

Almost surely, 2^524425320 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 524425320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (876571200).

524425320 is an abundant number, since it is smaller than the sum of its proper divisors (1228717080).

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

524425320 is a wasteful number, since it uses less digits than its factorization.

524425320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 524425320 is about 22900.3344953736. The cubic root of 524425320 is about 806.4198646963.

Adding to 524425320 its reverse (23524425), we get a palindrome (547949745).

The spelling of 524425320 in words is "five hundred twenty-four million, four hundred twenty-five thousand, three hundred twenty".