5214210521 has 16 divisors (see below), whose sum is σ = 5712707280. Its totient is φ = 4729777920.

The previous prime is 5214210517. The next prime is 5214210523. The reversal of 5214210521 is 1250124125.

It can be written as a sum of positive squares in 8 ways, for example, as 859662400 + 4354548121 = 29320^2 + 65989^2 .

It is a cyclic number.

It is not a de Polignac number, because 5214210521 - 2² = 5214210517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5214210523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1086395 + ... + 1091183.

It is an arithmetic number, because the mean of its divisors is an integer number (357044205).

Almost surely, 2^5214210521 is an apocalyptic number.

It is an amenable number.

5214210521 is a deficient number, since it is larger than the sum of its proper divisors (498496759).

5214210521 is a wasteful number, since it uses less digits than its factorization.

5214210521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5214210521 is about 72209.4905189062. The cubic root of 5214210521 is about 1734.0549430789.

Adding to 5214210521 its reverse (1250124125), we get a palindrome (6464334646).

The spelling of 5214210521 in words is "five billion, two hundred fourteen million, two hundred ten thousand, five hundred twenty-one".