65234549 has 2 divisors, whose sum is σ = 65234550. Its totient is φ = 65234548.

The previous prime is 65234539. The next prime is 65234551. The reversal of 65234549 is 94543256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58629649 + 6604900 = 7657^2 + 2570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65234549 is a prime.

It is a Sophie Germain prime.

Together with 65234551, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65234539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32617274 + 32617275.

It is an arithmetic number, because the mean of its divisors is an integer number (32617275).

Almost surely, 2^65234549 is an apocalyptic number.

It is an amenable number.

65234549 is a deficient number, since it is larger than the sum of its proper divisors (1).

65234549 is an equidigital number, since it uses as much as digits as its factorization.

65234549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 65234549 is about 8076.7907611873. The cubic root of 65234549 is about 402.5556143978. Note that the first 3 decimals are identical.

The spelling of 65234549 in words is "sixty-five million, two hundred thirty-four thousand, five hundred forty-nine".