2750012057 has 4 divisors (see below), whose sum is σ = 2961551460. Its totient is φ = 2538472656.

The previous prime is 2750012039. The next prime is 2750012071. The reversal of 2750012057 is 7502100572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 999761161 + 1750250896 = 31619^2 + 41836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2750012057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2750011057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105769682 + ... + 105769707.

It is an arithmetic number, because the mean of its divisors is an integer number (740387865).

Almost surely, 2^2750012057 is an apocalyptic number.

It is an amenable number.

2750012057 is a deficient number, since it is larger than the sum of its proper divisors (211539403).

2750012057 is a wasteful number, since it uses less digits than its factorization.

2750012057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211539402.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 2750012057 is about 52440.5573673660. The cubic root of 2750012057 is about 1401.0217128513.

The spelling of 2750012057 in words is "two billion, seven hundred fifty million, twelve thousand, fifty-seven".