65204849 has 2 divisors, whose sum is σ = 65204850. Its totient is φ = 65204848.

The previous prime is 65204831. The next prime is 65204851. The reversal of 65204849 is 94840256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65092624 + 112225 = 8068^2 + 335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65204849 is a prime.

It is a super-2 number, since 2×65204849² = 8503344666225602, which contains 22 as substring.

Together with 65204851, 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 (65204879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32602424 + 32602425.

It is an arithmetic number, because the mean of its divisors is an integer number (32602425).

Almost surely, 2^65204849 is an apocalyptic number.

It is an amenable number.

65204849 is a deficient number, since it is larger than the sum of its proper divisors (1).

65204849 is an equidigital number, since it uses as much as digits as its factorization.

65204849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 65204849 is about 8074.9519503214. The cubic root of 65204849 is about 402.4945132542.

The spelling of 65204849 in words is "sixty-five million, two hundred four thousand, eight hundred forty-nine".