4205525 has 12 divisors (see below), whose sum is σ = 5254500. Its totient is φ = 3338880.

The previous prime is 4205507. The next prime is 4205533. The reversal of 4205525 is 5255024.

It can be written as a sum of positive squares in 6 ways, for example, as 1359556 + 2845969 = 1166^2 + 1687^2 .

It is not a de Polignac number, because 4205525 - 2⁸ = 4205269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4205525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3161 + ... + 4289.

It is an arithmetic number, because the mean of its divisors is an integer number (437875).

Almost surely, 2^4205525 is an apocalyptic number.

It is an amenable number.

4205525 is a deficient number, since it is larger than the sum of its proper divisors (1048975).

4205525 is a wasteful number, since it uses less digits than its factorization.

4205525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 4205525 is about 2050.7376721560. The cubic root of 4205525 is about 161.4135811685.

The spelling of 4205525 in words is "four million, two hundred five thousand, five hundred twenty-five".