3601139 has 2 divisors, whose sum is σ = 3601140. Its totient is φ = 3601138.

The previous prime is 3601123. The next prime is 3601141. The reversal of 3601139 is 9311063.

It is a strong prime.

It is an emirp because it is prime and its reverse (9311063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3601139 - 2⁴ = 3601123 is a prime.

It is a super-3 number, since 3×3601139³ (a number of 21 digits) contains 333 as substring.

Together with 3601141, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₅₆₈₁₁ and since 3601139 and 256811 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3621139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800569 + 1800570.

It is an arithmetic number, because the mean of its divisors is an integer number (1800570).

Almost surely, 2^3601139 is an apocalyptic number.

3601139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601139 is an equidigital number, since it uses as much as digits as its factorization.

3601139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3601139 is about 1897.6667252181. Note that the first 3 decimals coincide. The cubic root of 3601139 is about 153.2780482270.

The spelling of 3601139 in words is "three million, six hundred one thousand, one hundred thirty-nine".