5221351412 has 6 divisors (see below), whose sum is σ = 9137364978. Its totient is φ = 2610675704.

The previous prime is 5221351403. The next prime is 5221351427. The reversal of 5221351412 is 2141531225.

It can be written as a sum of positive squares in only one way, i.e., 5196391396 + 24960016 = 72086^2 + 4996^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652668923 + ... + 652668930.

It is an arithmetic number, because the mean of its divisors is an integer number (1522894163).

Almost surely, 2^5221351412 is an apocalyptic number.

It is an amenable number.

5221351412 is a deficient number, since it is larger than the sum of its proper divisors (3916013566).

5221351412 is a wasteful number, since it uses less digits than its factorization.

5221351412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305337857 (or 1305337855 counting only the distinct ones).

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

The square root of 5221351412 is about 72258.9192556877. The cubic root of 5221351412 is about 1734.8461813599.

Adding to 5221351412 its reverse (2141531225), we get a palindrome (7362882637).

The spelling of 5221351412 in words is "five billion, two hundred twenty-one million, three hundred fifty-one thousand, four hundred twelve".