3556601 has 2 divisors, whose sum is σ = 3556602. Its totient is φ = 3556600.

The previous prime is 3556583. The next prime is 3556607. The reversal of 3556601 is 1066553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 22201 = 1880^2 + 149^2 .

It is an emirp because it is prime and its reverse (1066553) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3556601 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3556607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778300 + 1778301.

It is an arithmetic number, because the mean of its divisors is an integer number (1778301).

Almost surely, 2^3556601 is an apocalyptic number.

It is an amenable number.

3556601 is a deficient number, since it is larger than the sum of its proper divisors (1).

3556601 is an equidigital number, since it uses as much as digits as its factorization.

3556601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 3556601 is about 1885.8952781106. The cubic root of 3556601 is about 152.6435233972.

The spelling of 3556601 in words is "three million, five hundred fifty-six thousand, six hundred one".