5461236221 has 16 divisors (see below), whose sum is σ = 6267660288. Its totient is φ = 4661420400.

The previous prime is 5461236161. The next prime is 5461236227. The reversal of 5461236221 is 1226321645.

It is not a de Polignac number, because 5461236221 - 2²² = 5457041917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5461236227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1955336 + ... + 1958126.

It is an arithmetic number, because the mean of its divisors is an integer number (391728768).

Almost surely, 2^5461236221 is an apocalyptic number.

It is an amenable number.

5461236221 is a deficient number, since it is larger than the sum of its proper divisors (806424067).

5461236221 is a wasteful number, since it uses less digits than its factorization.

5461236221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its digits is 17280, while the sum is 32.

The square root of 5461236221 is about 73900.1774084474. The cubic root of 5461236221 is about 1761.0174279339.

Adding to 5461236221 its reverse (1226321645), we get a palindrome (6687557866).

The spelling of 5461236221 in words is "five billion, four hundred sixty-one million, two hundred thirty-six thousand, two hundred twenty-one".