5214208921 has 2 divisors, whose sum is σ = 5214208922. Its totient is φ = 5214208920.

The previous prime is 5214208889. The next prime is 5214208927. The reversal of 5214208921 is 1298024125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2767917321 + 2446291600 = 52611^2 + 49460^2 .

It is a cyclic number.

It is not a de Polignac number, because 5214208921 - 2⁵ = 5214208889 is a prime.

It is not a weakly prime, because it can be changed into another prime (5214208927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2607104460 + 2607104461.

It is an arithmetic number, because the mean of its divisors is an integer number (2607104461).

Almost surely, 2^5214208921 is an apocalyptic number.

It is an amenable number.

5214208921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5214208921 is an equidigital number, since it uses as much as digits as its factorization.

5214208921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 5214208921 is about 72209.4794400292. The cubic root of 5214208921 is about 1734.0547657118.

The spelling of 5214208921 in words is "five billion, two hundred fourteen million, two hundred eight thousand, nine hundred twenty-one".