2756212257 has 24 divisors (see below), whose sum is σ = 3889516224. Its totient is φ = 1735844256.

The previous prime is 2756212247. The next prime is 2756212271. The reversal of 2756212257 is 7522126572.

It is not a de Polignac number, because 2756212257 - 2⁴ = 2756212241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2756212247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400548 + ... + 407370.

It is an arithmetic number, because the mean of its divisors is an integer number (162063176).

Almost surely, 2^2756212257 is an apocalyptic number.

It is an amenable number.

2756212257 is a deficient number, since it is larger than the sum of its proper divisors (1133303967).

2756212257 is a wasteful number, since it uses less digits than its factorization.

2756212257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237 (or 7218 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 2756212257 is about 52499.6405416266. The cubic root of 2756212257 is about 1402.0738409273.

The spelling of 2756212257 in words is "two billion, seven hundred fifty-six million, two hundred twelve thousand, two hundred fifty-seven".