52328621 has 2 divisors, whose sum is σ = 52328622. Its totient is φ = 52328620.

The previous prime is 52328581. The next prime is 52328623. The reversal of 52328621 is 12682325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35271721 + 17056900 = 5939^2 + 4130^2 .

It is a cyclic number.

It is not a de Polignac number, because 52328621 - 2¹⁸ = 52066477 is a prime.

Together with 52328623, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52328623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26164310 + 26164311.

It is an arithmetic number, because the mean of its divisors is an integer number (26164311).

Almost surely, 2^52328621 is an apocalyptic number.

It is an amenable number.

52328621 is a deficient number, since it is larger than the sum of its proper divisors (1).

52328621 is an equidigital number, since it uses as much as digits as its factorization.

52328621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 52328621 is about 7233.8524314503. The cubic root of 52328621 is about 374.0357353826.

The spelling of 52328621 in words is "fifty-two million, three hundred twenty-eight thousand, six hundred twenty-one".