3555697 has 2 divisors, whose sum is σ = 3555698. Its totient is φ = 3555696.

The previous prime is 3555677. The next prime is 3555701. The reversal of 3555697 is 7965553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3549456 + 6241 = 1884^2 + 79^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3555697 is a prime.

It is not a weakly prime, because it can be changed into another prime (3555647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1777848 + 1777849.

It is an arithmetic number, because the mean of its divisors is an integer number (1777849).

Almost surely, 2^3555697 is an apocalyptic number.

It is an amenable number.

3555697 is a deficient number, since it is larger than the sum of its proper divisors (1).

3555697 is an equidigital number, since it uses as much as digits as its factorization.

3555697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141750, while the sum is 40.

The square root of 3555697 is about 1885.6555889133. The cubic root of 3555697 is about 152.6305895653.

It can be divided in two parts, 35556 and 97, that added together give a palindrome (35653).

The spelling of 3555697 in words is "three million, five hundred fifty-five thousand, six hundred ninety-seven".