52075358021 has 2 divisors, whose sum is σ = 52075358022. Its totient is φ = 52075358020.

The previous prime is 52075357993. The next prime is 52075358039. The reversal of 52075358021 is 12085357025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51511295521 + 564062500 = 226961^2 + 23750^2 .

It is a cyclic number.

It is not a de Polignac number, because 52075358021 - 2²² = 52071163717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52075388021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26037679010 + 26037679011.

It is an arithmetic number, because the mean of its divisors is an integer number (26037679011).

Almost surely, 2^52075358021 is an apocalyptic number.

It is an amenable number.

52075358021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52075358021 is an equidigital number, since it uses as much as digits as its factorization.

52075358021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 52075358021 in words is "fifty-two billion, seventy-five million, three hundred fifty-eight thousand, twenty-one".