5221413251 has 2 divisors, whose sum is σ = 5221413252. Its totient is φ = 5221413250.

The previous prime is 5221413217. The next prime is 5221413277. The reversal of 5221413251 is 1523141225.

5221413251 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (5221413277) can be obtained adding 5221413251 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5221413251 - 2⁶ = 5221413187 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5221413251.

It is not a weakly prime, because it can be changed into another prime (5221413751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610706625 + 2610706626.

It is an arithmetic number, because the mean of its divisors is an integer number (2610706626).

Almost surely, 2^5221413251 is an apocalyptic number.

5221413251 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221413251 is an equidigital number, since it uses as much as digits as its factorization.

5221413251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 26.

The square root of 5221413251 is about 72259.3471531538. The cubic root of 5221413251 is about 1734.8530302081.

Adding to 5221413251 its reverse (1523141225), we get a palindrome (6744554476).

The spelling of 5221413251 in words is "five billion, two hundred twenty-one million, four hundred thirteen thousand, two hundred fifty-one".