3112500061 has 6 divisors (see below), whose sum is σ = 3421177886. Its totient is φ = 2829545400.

The previous prime is 3112500043. The next prime is 3112500077. The reversal of 3112500061 is 1600052113.

It can be written as a sum of positive squares in only one way, i.e., 3111519961 + 980100 = 55781^2 + 990^2 .

It is not a de Polignac number, because 3112500061 - 2⁹ = 3112499549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112500761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12861450 + ... + 12861691.

Almost surely, 2^3112500061 is an apocalyptic number.

It is an amenable number.

3112500061 is a deficient number, since it is larger than the sum of its proper divisors (308677825).

3112500061 is a wasteful number, since it uses less digits than its factorization.

3112500061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25723163 (or 25723152 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 3112500061 is about 55789.7845577486. The cubic root of 3112500061 is about 1460.0569285677.

Adding to 3112500061 its reverse (1600052113), we get a palindrome (4712552174).

The spelling of 3112500061 in words is "three billion, one hundred twelve million, five hundred thousand, sixty-one".