5212271381 has 2 divisors, whose sum is σ = 5212271382. Its totient is φ = 5212271380.

The previous prime is 5212271369. The next prime is 5212271473. The reversal of 5212271381 is 1831722125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4583967025 + 628304356 = 67705^2 + 25066^2 .

It is a cyclic number.

It is not a de Polignac number, because 5212271381 - 2¹⁸ = 5212009237 is a prime.

It is a super-2 number, since 2×5212271381² = 54335545898383294322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5212271341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2606135690 + 2606135691.

It is an arithmetic number, because the mean of its divisors is an integer number (2606135691).

Almost surely, 2^5212271381 is an apocalyptic number.

It is an amenable number.

5212271381 is a deficient number, since it is larger than the sum of its proper divisors (1).

5212271381 is an equidigital number, since it uses as much as digits as its factorization.

5212271381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 32.

The square root of 5212271381 is about 72196.0620879006. The cubic root of 5212271381 is about 1733.8399541739.

The spelling of 5212271381 in words is "five billion, two hundred twelve million, two hundred seventy-one thousand, three hundred eighty-one".