65380571 has 2 divisors, whose sum is σ = 65380572. Its totient is φ = 65380570.

The previous prime is 65380561. The next prime is 65380573. The reversal of 65380571 is 17508356.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65380571 - 2⁶ = 65380507 is a prime.

Together with 65380573, 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 (65380573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32690285 + 32690286.

It is an arithmetic number, because the mean of its divisors is an integer number (32690286).

Almost surely, 2^65380571 is an apocalyptic number.

65380571 is a deficient number, since it is larger than the sum of its proper divisors (1).

65380571 is an equidigital number, since it uses as much as digits as its factorization.

65380571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 65380571 is about 8085.8253134730. The cubic root of 65380571 is about 402.8557527539.

The spelling of 65380571 in words is "sixty-five million, three hundred eighty thousand, five hundred seventy-one".