65213227 has 2 divisors, whose sum is σ = 65213228. Its totient is φ = 65213226.

The previous prime is 65213221. The next prime is 65213251. The reversal of 65213227 is 72231256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65213227 - 2²³ = 56824619 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 65213195 and 65213204.

It is not a weakly prime, because it can be changed into another prime (65213221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32606613 + 32606614.

It is an arithmetic number, because the mean of its divisors is an integer number (32606614).

Almost surely, 2^65213227 is an apocalyptic number.

65213227 is a deficient number, since it is larger than the sum of its proper divisors (1).

65213227 is an equidigital number, since it uses as much as digits as its factorization.

65213227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 65213227 is about 8075.4706983556. The cubic root of 65213227 is about 402.5117510040.

The spelling of 65213227 in words is "sixty-five million, two hundred thirteen thousand, two hundred twenty-seven".