3020725 has 6 divisors (see below), whose sum is σ = 3745730. Its totient is φ = 2416560.

The previous prime is 3020701. The next prime is 3020761. The reversal of 3020725 is 5270203.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 81 + 3020644 = 9^2 + 1738^2 .

It is not a de Polignac number, because 3020725 - 2¹³ = 3012533 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60390 + ... + 60439.

Almost surely, 2^3020725 is an apocalyptic number.

It is an amenable number.

3020725 is a deficient number, since it is larger than the sum of its proper divisors (725005).

3020725 is a wasteful number, since it uses less digits than its factorization.

3020725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120839 (or 120834 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 3020725 is about 1738.0233024905. The cubic root of 3020725 is about 144.5563131846.

Adding to 3020725 its reverse (5270203), we get a palindrome (8290928).

The spelling of 3020725 in words is "three million, twenty thousand, seven hundred twenty-five".