320053025 has 6 divisors (see below), whose sum is σ = 396865782. Its totient is φ = 256042400.

The previous prime is 320053007. The next prime is 320053049. The reversal of 320053025 is 520350023.

It can be written as a sum of positive squares in 3 ways, for example, as 394384 + 319658641 = 628^2 + 17879^2 .

It is not a de Polignac number, because 320053025 - 2¹⁴ = 320036641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320052988 and 320053006.

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, 6401036 + ... + 6401085.

It is an arithmetic number, because the mean of its divisors is an integer number (66144297).

Almost surely, 2^320053025 is an apocalyptic number.

It is an amenable number.

320053025 is a deficient number, since it is larger than the sum of its proper divisors (76812757).

320053025 is a wasteful number, since it uses less digits than its factorization.

320053025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12802131 (or 12802126 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 320053025 is about 17890.0258524128. The cubic root of 320053025 is about 684.0281563652.

The spelling of 320053025 in words is "three hundred twenty million, fifty-three thousand, twenty-five".