4990525 has 6 divisors (see below), whose sum is σ = 6188282. Its totient is φ = 3992400.

The previous prime is 4990501. The next prime is 4990529. The reversal of 4990525 is 5250994.

It can be written as a sum of positive squares in 3 ways, for example, as 66564 + 4923961 = 258^2 + 2219^2 .

It is not a de Polignac number, because 4990525 - 2⁵ = 4990493 is a prime.

It is a Duffinian number.

4990525 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990529) by changing a digit.

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, 99786 + ... + 99835.

Almost surely, 2^4990525 is an apocalyptic number.

It is an amenable number.

4990525 is a deficient number, since it is larger than the sum of its proper divisors (1197757).

4990525 is a wasteful number, since it uses less digits than its factorization.

4990525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199631 (or 199626 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 4990525 is about 2233.9482984170. The cubic root of 4990525 is about 170.8895128866.

The spelling of 4990525 in words is "four million, nine hundred ninety thousand, five hundred twenty-five".