2512525062781 has 12 divisors (see below), whose sum is σ = 2652013110492. Its totient is φ = 2380026602304.

The previous prime is 2512525062713. The next prime is 2512525062821. The reversal of 2512525062781 is 1872605252152.

It can be written as a sum of positive squares in 2 ways, for example, as 209916083556 + 2302608979225 = 458166^2 + 1517435^2 .

It is not a de Polignac number, because 2512525062781 - 2³⁷ = 2375086109309 is a prime.

It is a super-3 number, since 3×2512525062781³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512525063781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2965851 + ... + 3717703.

It is an arithmetic number, because the mean of its divisors is an integer number (221001092541).

Almost surely, 2^{2512525062781} is an apocalyptic number.

It is an amenable number.

2512525062781 is a deficient number, since it is larger than the sum of its proper divisors (139488047711).

2512525062781 is an equidigital number, since it uses as much as digits as its factorization.

2512525062781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761148 (or 761129 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 46.

The spelling of 2512525062781 in words is "two trillion, five hundred twelve billion, five hundred twenty-five million, sixty-two thousand, seven hundred eighty-one".