65812051 has 2 divisors, whose sum is σ = 65812052. Its totient is φ = 65812050.

The previous prime is 65812031. The next prime is 65812057. The reversal of 65812051 is 15021856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65812051 - 2¹⁹ = 65287763 is a prime.

It is not a weakly prime, because it can be changed into another prime (65812057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32906025 + 32906026.

It is an arithmetic number, because the mean of its divisors is an integer number (32906026).

Almost surely, 2^65812051 is an apocalyptic number.

65812051 is a deficient number, since it is larger than the sum of its proper divisors (1).

65812051 is an equidigital number, since it uses as much as digits as its factorization.

65812051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 65812051 is about 8112.4626963703. The cubic root of 65812051 is about 403.7400277421.

The spelling of 65812051 in words is "sixty-five million, eight hundred twelve thousand, fifty-one".