2528779 has 6 divisors (see below), whose sum is σ = 2779700. Its totient is φ = 2298780.

The previous prime is 2528777. The next prime is 2528783. The reversal of 2528779 is 9778252.

It is not a de Polignac number, because 2528779 - 2¹ = 2528777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2528777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10329 + ... + 10570.

2^2528779 is an apocalyptic number.

2528779 is a deficient number, since it is larger than the sum of its proper divisors (250921).

2528779 is a wasteful number, since it uses less digits than its factorization.

2528779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20921 (or 20910 counting only the distinct ones).

The product of its digits is 70560, while the sum is 40.

The square root of 2528779 is about 1590.2135076775. The cubic root of 2528779 is about 136.2396833083.

The spelling of 2528779 in words is "two million, five hundred twenty-eight thousand, seven hundred seventy-nine".