4072525 has 6 divisors (see below), whose sum is σ = 5049962. Its totient is φ = 3258000.

The previous prime is 4072513. The next prime is 4072531. The reversal of 4072525 is 5252704.

4072525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 60516 + 4012009 = 246^2 + 2003^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4072525 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 162901 = 4072525 / (4 + 0 + 7 + 2 + 5 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4072525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81426 + ... + 81475.

Almost surely, 2^4072525 is an apocalyptic number.

It is an amenable number.

4072525 is a deficient number, since it is larger than the sum of its proper divisors (977437).

4072525 is a wasteful number, since it uses less digits than its factorization.

4072525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162911 (or 162906 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 4072525 is about 2018.0498011694. The cubic root of 4072525 is about 159.6937501304.

The spelling of 4072525 in words is "four million, seventy-two thousand, five hundred twenty-five".