2685357 has 6 divisors (see below), whose sum is σ = 3878862. Its totient is φ = 1790232.

The previous prime is 2685343. The next prime is 2685373. The reversal of 2685357 is 7535862.

It can be written as a sum of positive squares in only one way, i.e., 2090916 + 594441 = 1446^2 + 771^2 .

It is not a de Polignac number, because 2685357 - 2⁷ = 2685229 is a prime.

It is a super-2 number, since 2×2685357² = 14422284434898, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2685257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149178 + ... + 149195.

It is an arithmetic number, because the mean of its divisors is an integer number (646477).

2^2685357 is an apocalyptic number.

It is an amenable number.

2685357 is a deficient number, since it is larger than the sum of its proper divisors (1193505).

2685357 is a wasteful number, since it uses less digits than its factorization.

2685357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298379 (or 298376 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2685357 is about 1638.7058918549. The cubic root of 2685357 is about 138.9954797281.

It can be divided in two parts, 268 and 5357, that added together give a square (5625 = 75²).

The spelling of 2685357 in words is "two million, six hundred eighty-five thousand, three hundred fifty-seven".