2512954561 has 16 divisors (see below), whose sum is σ = 2782699920. Its totient is φ = 2254936320.

The previous prime is 2512954541. The next prime is 2512954571. The reversal of 2512954561 is 1654592152.

It can be written as a sum of positive squares in 8 ways, for example, as 1040400 + 2511914161 = 1020^2 + 50119^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2512954561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2512954511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58371 + ... + 91831.

It is an arithmetic number, because the mean of its divisors is an integer number (173918745).

Almost surely, 2^2512954561 is an apocalyptic number.

It is an amenable number.

2512954561 is a deficient number, since it is larger than the sum of its proper divisors (269745359).

2512954561 is a wasteful number, since it uses less digits than its factorization.

2512954561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33636.

The product of its digits is 108000, while the sum is 40.

The square root of 2512954561 is about 50129.3782227548. The cubic root of 2512954561 is about 1359.5490432841.

The spelling of 2512954561 in words is "two billion, five hundred twelve million, nine hundred fifty-four thousand, five hundred sixty-one".