5627020921 has 2 divisors, whose sum is σ = 5627020922. Its totient is φ = 5627020920.

The previous prime is 5627020907. The next prime is 5627021027. The reversal of 5627020921 is 1290207265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4975750521 + 651270400 = 70539^2 + 25520^2 .

It is a cyclic number.

It is not a de Polignac number, because 5627020921 - 2⁷ = 5627020793 is a prime.

It is not a weakly prime, because it can be changed into another prime (5627020901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813510460 + 2813510461.

It is an arithmetic number, because the mean of its divisors is an integer number (2813510461).

Almost surely, 2^5627020921 is an apocalyptic number.

It is an amenable number.

5627020921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5627020921 is an equidigital number, since it uses as much as digits as its factorization.

5627020921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 5627020921 is about 75013.4715967739. The cubic root of 5627020921 is about 1778.6596104583.

The spelling of 5627020921 in words is "five billion, six hundred twenty-seven million, twenty thousand, nine hundred twenty-one".