5210879021 has 2 divisors, whose sum is σ = 5210879022. Its totient is φ = 5210879020.

The previous prime is 5210878993. The next prime is 5210879033. The reversal of 5210879021 is 1209780125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3388869796 + 1822009225 = 58214^2 + 42685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5210879021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5210879081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605439510 + 2605439511.

It is an arithmetic number, because the mean of its divisors is an integer number (2605439511).

Almost surely, 2^5210879021 is an apocalyptic number.

It is an amenable number.

5210879021 is a deficient number, since it is larger than the sum of its proper divisors (1).

5210879021 is an equidigital number, since it uses as much as digits as its factorization.

5210879021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 5210879021 is about 72186.4185356221. The cubic root of 5210879021 is about 1733.6855528764.

The spelling of 5210879021 in words is "five billion, two hundred ten million, eight hundred seventy-nine thousand, twenty-one".