5315411221 has 2 divisors, whose sum is σ = 5315411222. Its totient is φ = 5315411220.

The previous prime is 5315411197. The next prime is 5315411261. The reversal of 5315411221 is 1221145135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4814278225 + 501132996 = 69385^2 + 22386^2 .

It is a cyclic number.

It is not a de Polignac number, because 5315411221 - 2³¹ = 3167927573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5315411261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2657705610 + 2657705611.

It is an arithmetic number, because the mean of its divisors is an integer number (2657705611).

Almost surely, 2^5315411221 is an apocalyptic number.

It is an amenable number.

5315411221 is a deficient number, since it is larger than the sum of its proper divisors (1).

5315411221 is an equidigital number, since it uses as much as digits as its factorization.

5315411221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 25.

The square root of 5315411221 is about 72906.8667616432. The cubic root of 5315411221 is about 1745.2016823129.

Adding to 5315411221 its reverse (1221145135), we get a palindrome (6536556356).

The spelling of 5315411221 in words is "five billion, three hundred fifteen million, four hundred eleven thousand, two hundred twenty-one".