3685151 has 2 divisors, whose sum is σ = 3685152. Its totient is φ = 3685150.

The previous prime is 3685147. The next prime is 3685153. The reversal of 3685151 is 1515863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3685151 - 2² = 3685147 is a prime.

It is a Sophie Germain prime.

Together with 3685153, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3685153) 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 as a sum of consecutive naturals, namely, 1842575 + 1842576.

It is an arithmetic number, because the mean of its divisors is an integer number (1842576).

Almost surely, 2^3685151 is an apocalyptic number.

3685151 is a deficient number, since it is larger than the sum of its proper divisors (1).

3685151 is an equidigital number, since it uses as much as digits as its factorization.

3685151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 3685151 is about 1919.6747120281. The cubic root of 3685151 is about 154.4608531506.

The spelling of 3685151 in words is "three million, six hundred eighty-five thousand, one hundred fifty-one".