2521513532 has 24 divisors (see below), whose sum is σ = 4433183664. Its totient is φ = 1254903552.

The previous prime is 2521513487. The next prime is 2521513537. The reversal of 2521513532 is 2353151252.

It is a junction number, because it is equal to n+sod(n) for n = 2521513495 and 2521513504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521513537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073183 + ... + 1075529.

It is an arithmetic number, because the mean of its divisors is an integer number (184715986).

Almost surely, 2^2521513532 is an apocalyptic number.

It is an amenable number.

2521513532 is a deficient number, since it is larger than the sum of its proper divisors (1911670132).

2521513532 is a wasteful number, since it uses less digits than its factorization.

2521513532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485 (or 3483 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 2521513532 is about 50214.6744687248. The cubic root of 2521513532 is about 1361.0908081141.

Adding to 2521513532 its reverse (2353151252), we get a palindrome (4874664784).

The spelling of 2521513532 in words is "two billion, five hundred twenty-one million, five hundred thirteen thousand, five hundred thirty-two".