65812027 has 2 divisors, whose sum is σ = 65812028. Its totient is φ = 65812026.

The previous prime is 65812007. The next prime is 65812031. The reversal of 65812027 is 72021856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65812027 - 2¹¹ = 65809979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65812027.

It is not a weakly prime, because it can be changed into another prime (65812007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32906013 + 32906014.

It is an arithmetic number, because the mean of its divisors is an integer number (32906014).

Almost surely, 2^65812027 is an apocalyptic number.

65812027 is a deficient number, since it is larger than the sum of its proper divisors (1).

65812027 is an equidigital number, since it uses as much as digits as its factorization.

65812027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 65812027 is about 8112.4612171646. The cubic root of 65812027 is about 403.7399786641.

The spelling of 65812027 in words is "sixty-five million, eight hundred twelve thousand, twenty-seven".