2512661025 has 48 divisors (see below), whose sum is σ = 4828262400. Its totient is φ = 1129162560.

The previous prime is 2512660993. The next prime is 2512661027. The reversal of 2512661025 is 5201662152.

It is not a de Polignac number, because 2512661025 - 2⁵ = 2512660993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2512660983 and 2512661001.

It is not an unprimeable number, because it can be changed into a prime (2512661027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9585 + ... + 71534.

It is an arithmetic number, because the mean of its divisors is an integer number (100588800).

Almost surely, 2^2512661025 is an apocalyptic number.

2512661025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2512661025 is a deficient number, since it is larger than the sum of its proper divisors (2315601375).

2512661025 is a wasteful number, since it uses less digits than its factorization.

2512661025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81198 (or 81193 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2512661025 is about 50126.4503530821. The cubic root of 2512661025 is about 1359.4961053157.

The spelling of 2512661025 in words is "two billion, five hundred twelve million, six hundred sixty-one thousand, twenty-five".