3521513 has 2 divisors, whose sum is σ = 3521514. Its totient is φ = 3521512.

The previous prime is 3521489. The next prime is 3521519. The reversal of 3521513 is 3151253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3211264 + 310249 = 1792^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 3521513 - 2⁸ = 3521257 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3521519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1760756 + 1760757.

It is an arithmetic number, because the mean of its divisors is an integer number (1760757).

Almost surely, 2^3521513 is an apocalyptic number.

It is an amenable number.

3521513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3521513 is an equidigital number, since it uses as much as digits as its factorization.

3521513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 450, while the sum is 20.

The square root of 3521513 is about 1876.5694764650. The cubic root of 3521513 is about 152.1398902595.

Adding to 3521513 its reverse (3151253), we get a palindrome (6672766).

The spelling of 3521513 in words is "three million, five hundred twenty-one thousand, five hundred thirteen".