525003025 has 6 divisors (see below), whose sum is σ = 651003782. Its totient is φ = 420002400.

The previous prime is 525003013. The next prime is 525003029. The reversal of 525003025 is 520300525.

It can be written as a sum of positive squares in 3 ways, for example, as 7349521 + 517653504 = 2711^2 + 22752^2 .

It is a de Polignac number, because none of the positive numbers 2^k-525003025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525002987 and 525003005.

It is not an unprimeable number, because it can be changed into a prime (525003029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10500036 + ... + 10500085.

Almost surely, 2^525003025 is an apocalyptic number.

It is an amenable number.

525003025 is a deficient number, since it is larger than the sum of its proper divisors (126000757).

525003025 is a wasteful number, since it uses less digits than its factorization.

525003025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000131 (or 21000126 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 525003025 is about 22912.9444855959. The cubic root of 525003025 is about 806.7158724130.

The spelling of 525003025 in words is "five hundred twenty-five million, three thousand, twenty-five".