2689425 has 18 divisors (see below), whose sum is σ = 4817462. Its totient is φ = 1434240.

The previous prime is 2689411. The next prime is 2689439. The reversal of 2689425 is 5249862.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2689411) and next prime (2689439).

It can be written as a sum of positive squares in 3 ways, for example, as 589824 + 2099601 = 768^2 + 1449^2 .

It is not a de Polignac number, because 2689425 - 2⁶ = 2689361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2689425.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5752 + ... + 6201.

2^2689425 is an apocalyptic number.

2689425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2689425 is a deficient number, since it is larger than the sum of its proper divisors (2128037).

2689425 is a wasteful number, since it uses less digits than its factorization.

2689425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11969 (or 11961 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 2689425 is about 1639.9466454736. The cubic root of 2689425 is about 139.0656315837.

The spelling of 2689425 in words is "two million, six hundred eighty-nine thousand, four hundred twenty-five".