65648351 has 2 divisors, whose sum is σ = 65648352. Its totient is φ = 65648350.

The previous prime is 65648347. The next prime is 65648353. The reversal of 65648351 is 15384656.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65648351 - 2² = 65648347 is a prime.

Together with 65648353, 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 (65648353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32824175 + 32824176.

It is an arithmetic number, because the mean of its divisors is an integer number (32824176).

Almost surely, 2^65648351 is an apocalyptic number.

65648351 is a deficient number, since it is larger than the sum of its proper divisors (1).

65648351 is an equidigital number, since it uses as much as digits as its factorization.

65648351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 38.

The square root of 65648351 is about 8102.3669998341. The cubic root of 65648351 is about 403.4049973215.

The spelling of 65648351 in words is "sixty-five million, six hundred forty-eight thousand, three hundred fifty-one".