5432221204261 has 2 divisors, whose sum is σ = 5432221204262. Its totient is φ = 5432221204260.

The previous prime is 5432221204253. The next prime is 5432221204309. The reversal of 5432221204261 is 1624021222345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3891817527361 + 1540403676900 = 1972769^2 + 1241130^2 .

It is a cyclic number.

It is not a de Polignac number, because 5432221204261 - 2³ = 5432221204253 is a prime.

It is a super-2 number, since 2×5432221204261² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5432221204231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2716110602130 + 2716110602131.

It is an arithmetic number, because the mean of its divisors is an integer number (2716110602131).

Almost surely, 2^{5432221204261} is an apocalyptic number.

It is an amenable number.

5432221204261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5432221204261 is an equidigital number, since it uses as much as digits as its factorization.

5432221204261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 5432221204261 in words is "five trillion, four hundred thirty-two billion, two hundred twenty-one million, two hundred four thousand, two hundred sixty-one".