2528709 has 8 divisors (see below), whose sum is σ = 3383520. Its totient is φ = 1679856.

The previous prime is 2528707. The next prime is 2528717. The reversal of 2528709 is 9078252.

2528709 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2528709 - 2¹ = 2528707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2528709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (422940).

2^2528709 is an apocalyptic number.

It is an amenable number.

2528709 is a deficient number, since it is larger than the sum of its proper divisors (854811).

2528709 is a wasteful number, since it uses less digits than its factorization.

2528709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 2528709 is about 1590.1914979021. The cubic root of 2528709 is about 136.2384261975.

The spelling of 2528709 in words is "two million, five hundred twenty-eight thousand, seven hundred nine".