3532561 has 2 divisors, whose sum is σ = 3532562. Its totient is φ = 3532560.

The previous prime is 3532559. The next prime is 3532597. The reversal of 3532561 is 1652353.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2954961 + 577600 = 1719^2 + 760^2 .

It is an emirp because it is prime and its reverse (1652353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3532561 - 2¹ = 3532559 is a prime.

Together with 3532559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3532511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1766280 + 1766281.

It is an arithmetic number, because the mean of its divisors is an integer number (1766281).

Almost surely, 2^3532561 is an apocalyptic number.

It is an amenable number.

3532561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3532561 is an equidigital number, since it uses as much as digits as its factorization.

3532561 is an evil number, because the sum of its binary digits is even.

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

The square root of 3532561 is about 1879.5108406178. The cubic root of 3532561 is about 152.2988263763.

The spelling of 3532561 in words is "three million, five hundred thirty-two thousand, five hundred sixty-one".