3530617561 has 3 divisors (see below), whose sum is σ = 3530676981. Its totient is φ = 3530558142.

The previous prime is 3530617537. The next prime is 3530617567. The reversal of 3530617561 is 1657160353.

The square root of 3530617561 is 59419.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 3530617561 - 2¹⁵ = 3530584793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3530617561.

It is not an unprimeable number, because it can be changed into a prime (3530617567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 29710 + ... + 89128.

It is an arithmetic number, because the mean of its divisors is an integer number (1176892327).

Almost surely, 2^3530617561 is an apocalyptic number.

3530617561 is the 59419-th square number.

3530617561 is the 29710-th centered octagonal number.

It is an amenable number.

3530617561 is a deficient number, since it is larger than the sum of its proper divisors (59420).

3530617561 is an frugal number, since it uses more digits than its factorization.

3530617561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118838 (or 59419 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 37.

The cubic root of 3530617561 is about 1522.7089217839.

The spelling of 3530617561 in words is "three billion, five hundred thirty million, six hundred seventeen thousand, five hundred sixty-one".