2689525 has 6 divisors (see below), whose sum is σ = 3335042. Its totient is φ = 2151600.

The previous prime is 2689523. The next prime is 2689537. The reversal of 2689525 is 5259862.

It is a happy number.

2689525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 237169 + 2452356 = 487^2 + 1566^2 .

It is not a de Polignac number, because 2689525 - 2¹ = 2689523 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 6 + 8⁶ + 9⁵ + 5⁸ + 2¹⁴ + 5⁹ .

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689523) 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 5 ways as a sum of consecutive naturals, for example, 53766 + ... + 53815.

2^2689525 is an apocalyptic number.

2689525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2689525 is a deficient number, since it is larger than the sum of its proper divisors (645517).

2689525 is a wasteful number, since it uses less digits than its factorization.

2689525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107591 (or 107586 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 2689525 is about 1639.9771339869. The cubic root of 2689525 is about 139.0673551728.

The spelling of 2689525 in words is "two million, six hundred eighty-nine thousand, five hundred twenty-five".