320254525 has 12 divisors (see below), whose sum is σ = 397638612. Its totient is φ = 255866240.

The previous prime is 320254489. The next prime is 320254549. The reversal of 320254525 is 525452023.

It can be written as a sum of positive squares in 6 ways, for example, as 32239684 + 288014841 = 5678^2 + 16971^2 .

It is a de Polignac number, because none of the positive numbers 2^k-320254525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320254493 and 320254502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11889 + ... + 27961.

It is an arithmetic number, because the mean of its divisors is an integer number (33136551).

Almost surely, 2^320254525 is an apocalyptic number.

It is an amenable number.

320254525 is a deficient number, since it is larger than the sum of its proper divisors (77384087).

320254525 is a wasteful number, since it uses less digits than its factorization.

320254525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16880 (or 16875 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 320254525 is about 17895.6565959453. The cubic root of 320254525 is about 684.1716771231.

The spelling of 320254525 in words is "three hundred twenty million, two hundred fifty-four thousand, five hundred twenty-five".