2521041525 has 36 divisors (see below), whose sum is σ = 4520525152. Its totient is φ = 1343049120.

The previous prime is 2521041521. The next prime is 2521041529. The reversal of 2521041525 is 5251401252.

It is an interprime number because it is at equal distance from previous prime (2521041521) and next prime (2521041529).

It is not a de Polignac number, because 2521041525 - 2² = 2521041521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521041521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 211782 + ... + 223368.

Almost surely, 2^2521041525 is an apocalyptic number.

2521041525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2521041525 is a deficient number, since it is larger than the sum of its proper divisors (1999483627).

2521041525 is a wasteful number, since it uses less digits than its factorization.

2521041525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12570 (or 12562 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2521041525 is about 50209.9743576911. The cubic root of 2521041525 is about 1361.0058744064.

Adding to 2521041525 its reverse (5251401252), we get a palindrome (7772442777).

The spelling of 2521041525 in words is "two billion, five hundred twenty-one million, forty-one thousand, five hundred twenty-five".