2687425 has 12 divisors (see below), whose sum is σ = 3589180. Its totient is φ = 1984320.

The previous prime is 2687423. The next prime is 2687467. The reversal of 2687425 is 5247862.

It can be written as a sum of positive squares in 6 ways, for example, as 20736 + 2666689 = 144^2 + 1633^2 .

It is not a de Polignac number, because 2687425 - 2¹ = 2687423 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2687423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3810 + ... + 4459.

2^2687425 is an apocalyptic number.

2687425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2687425 is a deficient number, since it is larger than the sum of its proper divisors (901755).

2687425 is a wasteful number, since it uses less digits than its factorization.

2687425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292 (or 8287 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 2687425 is about 1639.3367561304. The cubic root of 2687425 is about 139.0311508259.

The spelling of 2687425 in words is "two million, six hundred eighty-seven thousand, four hundred twenty-five".