2528777 has 2 divisors, whose sum is σ = 2528778. Its totient is φ = 2528776.

The previous prime is 2528717. The next prime is 2528783. The reversal of 2528777 is 7778252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1628176 + 900601 = 1276^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2528777 - 2¹⁰ = 2527753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2528777.

It is not a weakly prime, because it can be changed into another prime (2528707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264388 + 1264389.

It is an arithmetic number, because the mean of its divisors is an integer number (1264389).

2^2528777 is an apocalyptic number.

It is an amenable number.

2528777 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528777 is an equidigital number, since it uses as much as digits as its factorization.

2528777 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2528777 is about 1590.2128788310. The cubic root of 2528777 is about 136.2396473912.

The spelling of 2528777 in words is "two million, five hundred twenty-eight thousand, seven hundred seventy-seven".