3521417 has 2 divisors, whose sum is σ = 3521418. Its totient is φ = 3521416.

The previous prime is 3521389. The next prime is 3521437. The reversal of 3521417 is 7141253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3455881 + 65536 = 1859^2 + 256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3521417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3521392 and 3521401.

It is not a weakly prime, because it can be changed into another prime (3521437) 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, 1760708 + 1760709.

It is an arithmetic number, because the mean of its divisors is an integer number (1760709).

Almost surely, 2^3521417 is an apocalyptic number.

It is an amenable number.

3521417 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521417 is an equidigital number, since it uses as much as digits as its factorization.

3521417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 23.

The square root of 3521417 is about 1876.5438977013. The cubic root of 3521417 is about 152.1385077513.

The spelling of 3521417 in words is "three million, five hundred twenty-one thousand, four hundred seventeen".