4525729 has 12 divisors (see below), whose sum is σ = 5057724. Its totient is φ = 4022784.

The previous prime is 4525693. The next prime is 4525747. The reversal of 4525729 is 9275254.

It can be written as a sum of positive squares in 6 ways, for example, as 1600 + 4524129 = 40^2 + 2127^2 .

It is not a de Polignac number, because 4525729 - 2⁷ = 4525601 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4525694 and 4525703.

It is not an unprimeable number, because it can be changed into a prime (4525799) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46609 + ... + 46705.

It is an arithmetic number, because the mean of its divisors is an integer number (421477).

Almost surely, 2^4525729 is an apocalyptic number.

It is an amenable number.

4525729 is a deficient number, since it is larger than the sum of its proper divisors (531995).

4525729 is an equidigital number, since it uses as much as digits as its factorization.

4525729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 147 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 4525729 is about 2127.3760833477. The cubic root of 4525729 is about 165.4104138756.

The spelling of 4525729 in words is "four million, five hundred twenty-five thousand, seven hundred twenty-nine".