3521677 has 2 divisors, whose sum is σ = 3521678. Its totient is φ = 3521676.

The previous prime is 3521659. The next prime is 3521689. The reversal of 3521677 is 7761253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3511876 + 9801 = 1874^2 + 99^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3521677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3521627) 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, 1760838 + 1760839.

It is an arithmetic number, because the mean of its divisors is an integer number (1760839).

Almost surely, 2^3521677 is an apocalyptic number.

It is an amenable number.

3521677 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521677 is an equidigital number, since it uses as much as digits as its factorization.

3521677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 31.

The square root of 3521677 is about 1876.6131727130. The cubic root of 3521677 is about 152.1422519863.

It can be divided in two parts, 35 and 21677, that added together give a palindrome (21712).

The spelling of 3521677 in words is "three million, five hundred twenty-one thousand, six hundred seventy-seven".