2728577 has 2 divisors, whose sum is σ = 2728578. Its totient is φ = 2728576.

The previous prime is 2728567. The next prime is 2728603. The reversal of 2728577 is 7758272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1628176 + 1100401 = 1276^2 + 1049^2 .

It is a cyclic number.

It is not a de Polignac number, because 2728577 - 2⁸ = 2728321 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2728577.

It is not a weakly prime, because it can be changed into another prime (2728507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1364288 + 1364289.

It is an arithmetic number, because the mean of its divisors is an integer number (1364289).

2^2728577 is an apocalyptic number.

It is an amenable number.

2728577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2728577 is an equidigital number, since it uses as much as digits as its factorization.

2728577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880, while the sum is 38.

The square root of 2728577 is about 1651.8404886671. The cubic root of 2728577 is about 139.7372111189.

The spelling of 2728577 in words is "two million, seven hundred twenty-eight thousand, five hundred seventy-seven".