5130541421 has 2 divisors, whose sum is σ = 5130541422. Its totient is φ = 5130541420.

The previous prime is 5130541417. The next prime is 5130541433. The reversal of 5130541421 is 1241450315.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4477483396 + 653058025 = 66914^2 + 25555^2 .

It is a cyclic number.

It is not a de Polignac number, because 5130541421 - 2² = 5130541417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5130541441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2565270710 + 2565270711.

It is an arithmetic number, because the mean of its divisors is an integer number (2565270711).

Almost surely, 2^5130541421 is an apocalyptic number.

It is an amenable number.

5130541421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5130541421 is an equidigital number, since it uses as much as digits as its factorization.

5130541421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 5130541421 is about 71627.7978231915. The cubic root of 5130541421 is about 1724.7297954985.

Adding to 5130541421 its reverse (1241450315), we get a palindrome (6371991736).

The spelling of 5130541421 in words is "five billion, one hundred thirty million, five hundred forty-one thousand, four hundred twenty-one".