320336625 has 32 divisors (see below), whose sum is σ = 609193728. Its totient is φ = 146438400.

The previous prime is 320336603. The next prime is 320336633. The reversal of 320336625 is 526633023.

It is not a de Polignac number, because 320336625 - 2¹¹ = 320334577 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320336592 and 320336601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58392 + ... + 63641.

It is an arithmetic number, because the mean of its divisors is an integer number (19037304).

Almost surely, 2^320336625 is an apocalyptic number.

320336625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

320336625 is a deficient number, since it is larger than the sum of its proper divisors (288857103).

320336625 is a wasteful number, since it uses less digits than its factorization.

320336625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122058 (or 122048 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 320336625 is about 17897.9503016407. The cubic root of 320336625 is about 684.2301365577.

Adding to 320336625 its reverse (526633023), we get a palindrome (846969648).

The spelling of 320336625 in words is "three hundred twenty million, three hundred thirty-six thousand, six hundred twenty-five".