4030625 has 10 divisors (see below), whose sum is σ = 5037450. Its totient is φ = 3224000.

The previous prime is 4030613. The next prime is 4030633. The reversal of 4030625 is 5260304.

It can be written as a sum of positive squares in 5 ways, for example, as 529984 + 3500641 = 728^2 + 1871^2 .

It is not a de Polignac number, because 4030625 - 2⁶ = 4030561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4030597 and 4030606.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2600 + ... + 3849.

It is an arithmetic number, because the mean of its divisors is an integer number (503745).

Almost surely, 2^4030625 is an apocalyptic number.

It is an amenable number.

4030625 is a deficient number, since it is larger than the sum of its proper divisors (1006825).

4030625 is an frugal number, since it uses more digits than its factorization.

4030625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6469 (or 6454 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 4030625 is about 2007.6416512914. The cubic root of 4030625 is about 159.1441936541.

Adding to 4030625 its reverse (5260304), we get a palindrome (9290929).

The spelling of 4030625 in words is "four million, thirty thousand, six hundred twenty-five".