320124425 has 6 divisors (see below), whose sum is σ = 396954318. Its totient is φ = 256099520.

The previous prime is 320124391. The next prime is 320124437. The reversal of 320124425 is 524421023.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 573049 + 319551376 = 757^2 + 17876^2 .

It is not a de Polignac number, because 320124425 - 2⁶ = 320124361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320124425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6402464 + ... + 6402513.

It is an arithmetic number, because the mean of its divisors is an integer number (66159053).

Almost surely, 2^320124425 is an apocalyptic number.

It is an amenable number.

320124425 is a deficient number, since it is larger than the sum of its proper divisors (76829893).

320124425 is a wasteful number, since it uses less digits than its factorization.

320124425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804987 (or 12804982 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 320124425 is about 17892.0212664752. The cubic root of 320124425 is about 684.0790187486.

Adding to 320124425 its reverse (524421023), we get a palindrome (844545448).

The spelling of 320124425 in words is "three hundred twenty million, one hundred twenty-four thousand, four hundred twenty-five".