65409371 has 2 divisors, whose sum is σ = 65409372. Its totient is φ = 65409370.

The previous prime is 65409329. The next prime is 65409403. The reversal of 65409371 is 17390456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65409371 - 2⁶ = 65409307 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65409271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32704685 + 32704686.

It is an arithmetic number, because the mean of its divisors is an integer number (32704686).

Almost surely, 2^65409371 is an apocalyptic number.

65409371 is a deficient number, since it is larger than the sum of its proper divisors (1).

65409371 is an equidigital number, since it uses as much as digits as its factorization.

65409371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 65409371 is about 8087.6060116700. The cubic root of 65409371 is about 402.9148964329.

The spelling of 65409371 in words is "sixty-five million, four hundred nine thousand, three hundred seventy-one".