2685629 has 2 divisors, whose sum is σ = 2685630. Its totient is φ = 2685628.

The previous prime is 2685607. The next prime is 2685649. The reversal of 2685629 is 9265862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2181529 + 504100 = 1477^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2685629 - 2⁸ = 2685373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2685592 and 2685601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342814 + 1342815.

It is an arithmetic number, because the mean of its divisors is an integer number (1342815).

2^2685629 is an apocalyptic number.

It is an amenable number.

2685629 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685629 is an equidigital number, since it uses as much as digits as its factorization.

2685629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 2685629 is about 1638.7888820711. The cubic root of 2685629 is about 139.0001725236. Note that the first 3 decimals are identical.

The spelling of 2685629 in words is "two million, six hundred eighty-five thousand, six hundred twenty-nine".