52326389 has 2 divisors, whose sum is σ = 52326390. Its totient is φ = 52326388.

The previous prime is 52326347. The next prime is 52326427. The reversal of 52326389 is 98362325.

It is an a-pointer prime, because the next prime (52326427) can be obtained adding 52326389 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43428100 + 8898289 = 6590^2 + 2983^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52326389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52326319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26163194 + 26163195.

It is an arithmetic number, because the mean of its divisors is an integer number (26163195).

Almost surely, 2^52326389 is an apocalyptic number.

It is an amenable number.

52326389 is a deficient number, since it is larger than the sum of its proper divisors (1).

52326389 is an equidigital number, since it uses as much as digits as its factorization.

52326389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 52326389 is about 7233.6981551624. The cubic root of 52326389 is about 374.0304173265.

The spelling of 52326389 in words is "fifty-two million, three hundred twenty-six thousand, three hundred eighty-nine".