3521473 has 2 divisors, whose sum is σ = 3521474. Its totient is φ = 3521472.

The previous prime is 3521437. The next prime is 3521489. The reversal of 3521473 is 3741253.

Together with previous prime (3521437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2380849 + 1140624 = 1543^2 + 1068^2 .

It is an emirp because it is prime and its reverse (3741253) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3521473 is a prime.

It is not a weakly prime, because it can be changed into another prime (3521173) 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, 1760736 + 1760737.

It is an arithmetic number, because the mean of its divisors is an integer number (1760737).

Almost surely, 2^3521473 is an apocalyptic number.

It is an amenable number.

3521473 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521473 is an equidigital number, since it uses as much as digits as its factorization.

3521473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 25.

The square root of 3521473 is about 1876.5588186891. The cubic root of 3521473 is about 152.1393142175.

The spelling of 3521473 in words is "three million, five hundred twenty-one thousand, four hundred seventy-three".