4252725 has 36 divisors (see below), whose sum is σ = 7819812. Its totient is φ = 2208000.

The previous prime is 4252711. The next prime is 4252727. The reversal of 4252725 is 5272524.

4252725 = 186² + 187² + ... + 267².

It can be written as a sum of positive squares in 6 ways, for example, as 1034289 + 3218436 = 1017^2 + 1794^2 .

It is not a de Polignac number, because 4252725 - 2⁴ = 4252709 is a prime.

It is a d-powerful number, because it can be written as 4 + 2¹³ + 5² + 2¹⁵ + 7⁵ + 2²² + 5⁴ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252727) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8995 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (217217).

Almost surely, 2^4252725 is an apocalyptic number.

4252725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4252725 is a deficient number, since it is larger than the sum of its proper divisors (3567087).

4252725 is a wasteful number, since it uses less digits than its factorization.

4252725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 510 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 4252725 is about 2062.2136164811. The cubic root of 4252725 is about 162.0152020485.

The spelling of 4252725 in words is "four million, two hundred fifty-two thousand, seven hundred twenty-five".