5200021427 has 2 divisors, whose sum is σ = 5200021428. Its totient is φ = 5200021426.

The previous prime is 5200021399. The next prime is 5200021481. The reversal of 5200021427 is 7241200025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5200021427 - 2⁶ = 5200021363 is a prime.

It is not a weakly prime, because it can be changed into another prime (5200021927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600010713 + 2600010714.

It is an arithmetic number, because the mean of its divisors is an integer number (2600010714).

Almost surely, 2^5200021427 is an apocalyptic number.

5200021427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5200021427 is an equidigital number, since it uses as much as digits as its factorization.

5200021427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 5200021427 is about 72111.1740786405. The cubic root of 5200021427 is about 1732.4805902818.

The spelling of 5200021427 in words is "five billion, two hundred million, twenty-one thousand, four hundred twenty-seven".