2672870257 has 2 divisors, whose sum is σ = 2672870258. Its totient is φ = 2672870256.

The previous prime is 2672870209. The next prime is 2672870267. The reversal of 2672870257 is 7520782762.

2672870257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1379676736 + 1293193521 = 37144^2 + 35961^2 .

It is a cyclic number.

It is not a de Polignac number, because 2672870257 - 2²³ = 2664481649 is a prime.

It is not a weakly prime, because it can be changed into another prime (2672870267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1336435128 + 1336435129.

It is an arithmetic number, because the mean of its divisors is an integer number (1336435129).

Almost surely, 2^2672870257 is an apocalyptic number.

It is an amenable number.

2672870257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2672870257 is an equidigital number, since it uses as much as digits as its factorization.

2672870257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 658560, while the sum is 46.

The square root of 2672870257 is about 51699.8090615430. The cubic root of 2672870257 is about 1387.7970482369.

The spelling of 2672870257 in words is "two billion, six hundred seventy-two million, eight hundred seventy thousand, two hundred fifty-seven".