5826421561 has 9 divisors (see below), whose sum is σ = 5991052431. Its totient is φ = 5666202792.

The previous prime is 5826421553. The next prime is 5826421613. The reversal of 5826421561 is 1651246285.

The square root of 5826421561 is 76331.

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

It can be written as a sum of positive squares in only one way, i.e., 5213562025 + 612859536 = 72205^2 + 24756^2 .

It is not a de Polignac number, because 5826421561 - 2³ = 5826421553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5826421541) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2823216 + ... + 2825278.

Almost surely, 2^5826421561 is an apocalyptic number.

5826421561 is the 76331-st square number.

5826421561 is the 38166-th centered octagonal number.

It is an amenable number.

5826421561 is a deficient number, since it is larger than the sum of its proper divisors (164630870).

5826421561 is an frugal number, since it uses more digits than its factorization.

5826421561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 2100 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The cubic root of 5826421561 is about 1799.4259034383.

The spelling of 5826421561 in words is "five billion, eight hundred twenty-six million, four hundred twenty-one thousand, five hundred sixty-one".