2530521502516 has 24 divisors (see below), whose sum is σ = 5061189815360. Its totient is φ = 1084477756032.

The previous prime is 2530521502513. The next prime is 2530521502547. The reversal of 2530521502516 is 6152051250352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530521502513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315045 + ... + 2271628.

Almost surely, 2^{2530521502516} is an apocalyptic number.

It is an amenable number.

2530521502516 is an abundant number, since it is smaller than the sum of its proper divisors (2530668312844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2530521502516 is a wasteful number, since it uses less digits than its factorization.

2530521502516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621623 (or 2621621 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 2530521502516 its reverse (6152051250352), we get a palindrome (8682572752868).

The spelling of 2530521502516 in words is "two trillion, five hundred thirty billion, five hundred twenty-one million, five hundred two thousand, five hundred sixteen".