2521320758275 has 12 divisors (see below), whose sum is σ = 3410659353384. Its totient is φ = 1833687824000.

The previous prime is 2521320758263. The next prime is 2521320758329. The reversal of 2521320758275 is 5728570231252.

It is a happy number.

It is not a de Polignac number, because 2521320758275 - 2⁹ = 2521320757763 is a prime.

It is a super-2 number, since 2×2521320758275² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4584219286 + ... + 4584219835.

It is an arithmetic number, because the mean of its divisors is an integer number (284221612782).

Almost surely, 2^{2521320758275} is an apocalyptic number.

2521320758275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2521320758275 is a deficient number, since it is larger than the sum of its proper divisors (889338595109).

2521320758275 is a wasteful number, since it uses less digits than its factorization.

2521320758275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168439142 (or 9168439137 counting only the distinct ones).

The product of its (nonzero) digits is 2352000, while the sum is 49.

The spelling of 2521320758275 in words is "two trillion, five hundred twenty-one billion, three hundred twenty million, seven hundred fifty-eight thousand, two hundred seventy-five".