5221521351 has 6 divisors (see below), whose sum is σ = 7542197520. Its totient is φ = 3481014228.

The previous prime is 5221521317. The next prime is 5221521397. The reversal of 5221521351 is 1531251225.

5221521351 is a `hidden beast` number, since 522 + 1 + 5 + 2 + 135 + 1 = 666.

5221521351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-5221521351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221521751) 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 5 ways as a sum of consecutive naturals, for example, 290084511 + ... + 290084528.

It is an arithmetic number, because the mean of its divisors is an integer number (1257032920).

Almost surely, 2^5221521351 is an apocalyptic number.

5221521351 is a deficient number, since it is larger than the sum of its proper divisors (2320676169).

5221521351 is a wasteful number, since it uses less digits than its factorization.

5221521351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580169045 (or 580169042 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 5221521351 is about 72260.0951493976. The cubic root of 5221521351 is about 1734.8650024660.

Adding to 5221521351 its reverse (1531251225), we get a palindrome (6752772576).

The spelling of 5221521351 in words is "five billion, two hundred twenty-one million, five hundred twenty-one thousand, three hundred fifty-one".