5420231081 has 2 divisors, whose sum is σ = 5420231082. Its totient is φ = 5420231080.

The previous prime is 5420231059. The next prime is 5420231123. The reversal of 5420231081 is 1801320245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5082406681 + 337824400 = 71291^2 + 18380^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5420231081 is a prime.

It is a super-2 number, since 2×5420231081² = 58757809942876857122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5420231081.

It is not a weakly prime, because it can be changed into another prime (5420231021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710115540 + 2710115541.

It is an arithmetic number, because the mean of its divisors is an integer number (2710115541).

Almost surely, 2^5420231081 is an apocalyptic number.

It is an amenable number.

5420231081 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420231081 is an equidigital number, since it uses as much as digits as its factorization.

5420231081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 5420231081 is about 73622.2186639332. The cubic root of 5420231081 is about 1756.5988768953.

The spelling of 5420231081 in words is "five billion, four hundred twenty million, two hundred thirty-one thousand, eighty-one".