320016525 has 48 divisors (see below), whose sum is σ = 564963840. Its totient is φ = 159364800.

The previous prime is 320016523. The next prime is 320016527. The reversal of 320016525 is 525610023.

It is an interprime number because it is at equal distance from previous prime (320016523) and next prime (320016527).

It is not a de Polignac number, because 320016525 - 2¹ = 320016523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320016495 and 320016504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320016523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 99594 + ... + 102756.

It is an arithmetic number, because the mean of its divisors is an integer number (11770080).

Almost surely, 2^320016525 is an apocalyptic number.

It is an amenable number.

320016525 is a deficient number, since it is larger than the sum of its proper divisors (244947315).

320016525 is a wasteful number, since it uses less digits than its factorization.

320016525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3266 (or 3261 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 320016525 is about 17889.0057018270. The cubic root of 320016525 is about 684.0021523649.

Adding to 320016525 its reverse (525610023), we get a palindrome (845626548).

The spelling of 320016525 in words is "three hundred twenty million, sixteen thousand, five hundred twenty-five".