4280625 has 30 divisors (see below), whose sum is σ = 7736586. Its totient is φ = 2280000.

The previous prime is 4280623. The next prime is 4280629. The reversal of 4280625 is 5260824.

It can be written as a sum of positive squares in 5 ways, for example, as 3196944 + 1083681 = 1788^2 + 1041^2 .

It is not a de Polignac number, because 4280625 - 2¹ = 4280623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4280623) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5245 + ... + 6005.

Almost surely, 2^4280625 is an apocalyptic number.

4280625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4280625 is a deficient number, since it is larger than the sum of its proper divisors (3455961).

4280625 is an equidigital number, since it uses as much as digits as its factorization.

4280625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 769 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 4280625 is about 2068.9671336201. The cubic root of 4280625 is about 162.3687302790.

The spelling of 4280625 in words is "four million, two hundred eighty thousand, six hundred twenty-five".