2521263228250 has 32 divisors (see below), whose sum is σ = 5082866674704. Its totient is φ = 930927960000.

The previous prime is 2521263228247. The next prime is 2521263228269. The reversal of 2521263228250 is 528223621252.

It can be written as a sum of positive squares in 8 ways, for example, as 71358971161 + 2449904257089 = 267131^2 + 1565217^2 .

It is a super-2 number, since 2×2521263228250² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387883401 + ... + 387889900.

Almost surely, 2^{2521263228250} is an apocalyptic number.

2521263228250 is an abundant number, since it is smaller than the sum of its proper divisors (2561603446454).

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

2521263228250 is a wasteful number, since it uses less digits than its factorization.

2521263228250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775773331 (or 775773321 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 2521263228250 in words is "two trillion, five hundred twenty-one billion, two hundred sixty-three million, two hundred twenty-eight thousand, two hundred fifty".