2521132525 has 6 divisors (see below), whose sum is σ = 3126204362. Its totient is φ = 2016906000.

The previous prime is 2521132513. The next prime is 2521132531. The reversal of 2521132525 is 5252311252.

It can be written as a sum of positive squares in 3 ways, for example, as 43283241 + 2477849284 = 6579^2 + 49778^2 .

It is not a de Polignac number, because 2521132525 - 2¹¹ = 2521130477 is a prime.

It is a super-2 number, since 2×2521132525² = 12712218417225751250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521132493 and 2521132502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50422626 + ... + 50422675.

Almost surely, 2^2521132525 is an apocalyptic number.

2521132525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2521132525 is a deficient number, since it is larger than the sum of its proper divisors (605071837).

2521132525 is a wasteful number, since it uses less digits than its factorization.

2521132525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100845311 (or 100845306 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 2521132525 is about 50210.8805439618. The cubic root of 2521132525 is about 1361.0222499194.

Adding to 2521132525 its reverse (5252311252), we get a palindrome (7773443777).

The spelling of 2521132525 in words is "two billion, five hundred twenty-one million, one hundred thirty-two thousand, five hundred twenty-five".