5270658821 has 2 divisors, whose sum is σ = 5270658822. Its totient is φ = 5270658820.

The previous prime is 5270658797. The next prime is 5270658871. The reversal of 5270658821 is 1288560725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3429390721 + 1841268100 = 58561^2 + 42910^2 .

It is a cyclic number.

It is not a de Polignac number, because 5270658821 - 2¹⁴ = 5270642437 is a prime.

It is a super-2 number, since 2×5270658821² = 55559688814770220082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5270658871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2635329410 + 2635329411.

It is an arithmetic number, because the mean of its divisors is an integer number (2635329411).

Almost surely, 2^5270658821 is an apocalyptic number.

It is an amenable number.

5270658821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5270658821 is an equidigital number, since it uses as much as digits as its factorization.

5270658821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 5270658821 is about 72599.3031715870. The cubic root of 5270658821 is about 1740.2900407199.

The spelling of 5270658821 in words is "five billion, two hundred seventy million, six hundred fifty-eight thousand, eight hundred twenty-one".