52238489 has 2 divisors, whose sum is σ = 52238490. Its totient is φ = 52238488.

The previous prime is 52238447. The next prime is 52238491. The reversal of 52238489 is 98483225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29246464 + 22992025 = 5408^2 + 4795^2 .

It is a cyclic number.

It is not a de Polignac number, because 52238489 - 2⁸ = 52238233 is a prime.

Together with 52238491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52298489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26119244 + 26119245.

It is an arithmetic number, because the mean of its divisors is an integer number (26119245).

Almost surely, 2^52238489 is an apocalyptic number.

It is an amenable number.

52238489 is a deficient number, since it is larger than the sum of its proper divisors (1).

52238489 is an equidigital number, since it uses as much as digits as its factorization.

52238489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 52238489 is about 7227.6198710225. The cubic root of 52238489 is about 373.8208627656.

The spelling of 52238489 in words is "fifty-two million, two hundred thirty-eight thousand, four hundred eighty-nine".