65151271 has 2 divisors, whose sum is σ = 65151272. Its totient is φ = 65151270.

The previous prime is 65151211. The next prime is 65151277. The reversal of 65151271 is 17215156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65151271 - 2⁷ = 65151143 is a prime.

It is a super-2 number, since 2×65151271² = 8489376225830882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65151277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32575635 + 32575636.

It is an arithmetic number, because the mean of its divisors is an integer number (32575636).

Almost surely, 2^65151271 is an apocalyptic number.

65151271 is a deficient number, since it is larger than the sum of its proper divisors (1).

65151271 is an equidigital number, since it uses as much as digits as its factorization.

65151271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 28.

The square root of 65151271 is about 8071.6337255849. The cubic root of 65151271 is about 402.3842414948.

The spelling of 65151271 in words is "sixty-five million, one hundred fifty-one thousand, two hundred seventy-one".