4270625 has 10 divisors (see below), whose sum is σ = 5337354. Its totient is φ = 3416000.

The previous prime is 4270603. The next prime is 4270633. The reversal of 4270625 is 5260724.

It can be written as a sum of positive squares in 5 ways, for example, as 2572816 + 1697809 = 1604^2 + 1303^2 .

It is not a de Polignac number, because 4270625 - 2¹² = 4266529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4270594 and 4270603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2792 + ... + 4041.

Almost surely, 2^4270625 is an apocalyptic number.

It is an amenable number.

4270625 is a deficient number, since it is larger than the sum of its proper divisors (1066729).

4270625 is an frugal number, since it uses more digits than its factorization.

4270625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853 (or 6838 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 4270625 is about 2066.5490557933. The cubic root of 4270625 is about 162.2421947602.

Subtracting 4270625 from its reverse (5260724), we obtain a palindrome (990099).

The spelling of 4270625 in words is "four million, two hundred seventy thousand, six hundred twenty-five".