3523561 has 2 divisors, whose sum is σ = 3523562. Its totient is φ = 3523560.

The previous prime is 3523519. The next prime is 3523579. The reversal of 3523561 is 1653253.

It is a happy number.

3523561 is nontrivially palindromic in base 12.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 1577536 = 1395^2 + 1256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3523561 - 2¹¹ = 3521513 is a prime.

It is not a weakly prime, because it can be changed into another prime (3523501) 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, 1761780 + 1761781.

It is an arithmetic number, because the mean of its divisors is an integer number (1761781).

Almost surely, 2^3523561 is an apocalyptic number.

It is an amenable number.

3523561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3523561 is an equidigital number, since it uses as much as digits as its factorization.

3523561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 25.

The square root of 3523561 is about 1877.1150737235. The cubic root of 3523561 is about 152.1693777850.

The spelling of 3523561 in words is "three million, five hundred twenty-three thousand, five hundred sixty-one".