2789523 has 24 divisors (see below), whose sum is σ = 4630080. Its totient is φ = 1600560.

The previous prime is 2789503. The next prime is 2789551. The reversal of 2789523 is 3259872.

It is a happy number.

It is not a de Polignac number, because 2789523 - 2⁵ = 2789491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2789503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1140 + ... + 2622.

It is an arithmetic number, because the mean of its divisors is an integer number (192920).

2^2789523 is an apocalyptic number.

2789523 is a deficient number, since it is larger than the sum of its proper divisors (1840557).

2789523 is a wasteful number, since it uses less digits than its factorization.

2789523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519 (or 1516 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2789523 is about 1670.1865165304. The cubic root of 2789523 is about 140.7699583752.

It can be divided in two parts, 278 and 9523, that added together give a square (9801 = 99²).

The spelling of 2789523 in words is "two million, seven hundred eighty-nine thousand, five hundred twenty-three".