5916532561 has 3 divisors (see below), whose sum is σ = 5916609481. Its totient is φ = 5916455642.

The previous prime is 5916532529. The next prime is 5916532571. The reversal of 5916532561 is 1652356195.

The square root of 5916532561 is 76919.

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 5916532561 - 2⁵ = 5916532529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5916532571) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 38460 + ... + 115378.

Almost surely, 2^5916532561 is an apocalyptic number.

5916532561 is the 76919-th square number.

5916532561 is the 38460-th centered octagonal number.

It is an amenable number.

5916532561 is a deficient number, since it is larger than the sum of its proper divisors (76920).

5916532561 is an frugal number, since it uses more digits than its factorization.

5916532561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153838 (or 76919 counting only the distinct ones).

The product of its digits is 243000, while the sum is 43.

The cubic root of 5916532561 is about 1808.6550819189.

The spelling of 5916532561 in words is "five billion, nine hundred sixteen million, five hundred thirty-two thousand, five hundred sixty-one".