2689025 has 12 divisors (see below), whose sum is σ = 3450300. Its totient is φ = 2076480.

The previous prime is 2689019. The next prime is 2689031. The reversal of 2689025 is 5209862.

It is an interprime number because it is at equal distance from previous prime (2689019) and next prime (2689031).

It can be written as a sum of positive squares in 6 ways, for example, as 167281 + 2521744 = 409^2 + 1588^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2689025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2688982 and 2689000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130 + ... + 2579.

It is an arithmetic number, because the mean of its divisors is an integer number (287525).

It is a Proth number, since it is equal to 1313 ⋅ 2¹¹ + 1 and 1313 < 2¹¹.

2^2689025 is an apocalyptic number.

2689025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2689025 is a deficient number, since it is larger than the sum of its proper divisors (761275).

2689025 is a wasteful number, since it uses less digits than its factorization.

2689025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2689025 is about 1639.8246857515. The cubic root of 2689025 is about 139.0587368001.

The spelling of 2689025 in words is "two million, six hundred eighty-nine thousand, twenty-five".