65345477 has 2 divisors, whose sum is σ = 65345478. Its totient is φ = 65345476.

The previous prime is 65345473. The next prime is 65345479. The reversal of 65345477 is 77454356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41589601 + 23755876 = 6449^2 + 4874^2 .

It is a cyclic number.

It is not a de Polignac number, because 65345477 - 2² = 65345473 is a prime.

Together with 65345479, 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 (65345471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32672738 + 32672739.

It is an arithmetic number, because the mean of its divisors is an integer number (32672739).

Almost surely, 2^65345477 is an apocalyptic number.

It is an amenable number.

65345477 is a deficient number, since it is larger than the sum of its proper divisors (1).

65345477 is an equidigital number, since it uses as much as digits as its factorization.

65345477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 352800, while the sum is 41.

The square root of 65345477 is about 8083.6549283106. The cubic root of 65345477 is about 402.7836602352.

The spelling of 65345477 in words is "sixty-five million, three hundred forty-five thousand, four hundred seventy-seven".