3685273 has 2 divisors, whose sum is σ = 3685274. Its totient is φ = 3685272.

The previous prime is 3685247. The next prime is 3685289. The reversal of 3685273 is 3725863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2039184 + 1646089 = 1428^2 + 1283^2 .

It is a cyclic number.

It is not a de Polignac number, because 3685273 - 2¹³ = 3677081 is a prime.

It is an Ulam number.

3685273 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3685973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842636 + 1842637.

It is an arithmetic number, because the mean of its divisors is an integer number (1842637).

Almost surely, 2^3685273 is an apocalyptic number.

It is an amenable number.

3685273 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685273 is an equidigital number, since it uses as much as digits as its factorization.

3685273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 3685273 is about 1919.7064879820. The cubic root of 3685273 is about 154.4625576503.

The spelling of 3685273 in words is "three million, six hundred eighty-five thousand, two hundred seventy-three".