1685027241 has 6 divisors (see below), whose sum is σ = 2433928250. Its totient is φ = 1123351488.

The previous prime is 1685027209. The next prime is 1685027243. The reversal of 1685027241 is 1427205861.

It can be written as a sum of positive squares in only one way, i.e., 1157360400 + 527666841 = 34020^2 + 22971^2 .

It is not a de Polignac number, because 1685027241 - 2⁵ = 1685027209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1685027196 and 1685027205.

It is not an unprimeable number, because it can be changed into a prime (1685027243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93612616 + ... + 93612633.

Almost surely, 2^1685027241 is an apocalyptic number.

It is an amenable number.

1685027241 is a deficient number, since it is larger than the sum of its proper divisors (748901009).

1685027241 is a wasteful number, since it uses less digits than its factorization.

1685027241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187225255 (or 187225252 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1685027241 is about 41049.0833149779. The cubic root of 1685027241 is about 1189.9689846682.

The spelling of 1685027241 in words is "one billion, six hundred eighty-five million, twenty-seven thousand, two hundred forty-one".