2521130516 has 6 divisors (see below), whose sum is σ = 4411978410. Its totient is φ = 1260565256.

The previous prime is 2521130497. The next prime is 2521130537. The reversal of 2521130516 is 6150311252.

It can be written as a sum of positive squares in only one way, i.e., 2520441616 + 688900 = 50204^2 + 830^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 315141311 + ... + 315141318.

It is an arithmetic number, because the mean of its divisors is an integer number (735329735).

Almost surely, 2^2521130516 is an apocalyptic number.

It is an amenable number.

2521130516 is a deficient number, since it is larger than the sum of its proper divisors (1890847894).

2521130516 is a wasteful number, since it uses less digits than its factorization.

2521130516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630282633 (or 630282631 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 2521130516 is about 50210.8605383337. The cubic root of 2521130516 is about 1361.0218884027.

Adding to 2521130516 its reverse (6150311252), we get a palindrome (8671441768).

The spelling of 2521130516 in words is "two billion, five hundred twenty-one million, one hundred thirty thousand, five hundred sixteen".