52075321 has 2 divisors, whose sum is σ = 52075322. Its totient is φ = 52075320.

The previous prime is 52075253. The next prime is 52075327. The reversal of 52075321 is 12357025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36433296 + 15642025 = 6036^2 + 3955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52075321 is a prime.

It is not a weakly prime, because it can be changed into another prime (52075327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26037660 + 26037661.

It is an arithmetic number, because the mean of its divisors is an integer number (26037661).

Almost surely, 2^52075321 is an apocalyptic number.

It is an amenable number.

52075321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52075321 is an equidigital number, since it uses as much as digits as its factorization.

52075321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 52075321 is about 7216.3232327827. The cubic root of 52075321 is about 373.4312444264.

The spelling of 52075321 in words is "fifty-two million, seventy-five thousand, three hundred twenty-one".