65151851 has 2 divisors, whose sum is σ = 65151852. Its totient is φ = 65151850.

The previous prime is 65151839. The next prime is 65151899. The reversal of 65151851 is 15815156.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65151851 - 2¹⁸ = 64889707 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65151811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32575925 + 32575926.

It is an arithmetic number, because the mean of its divisors is an integer number (32575926).

Almost surely, 2^65151851 is an apocalyptic number.

65151851 is a deficient number, since it is larger than the sum of its proper divisors (1).

65151851 is an equidigital number, since it uses as much as digits as its factorization.

65151851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 32.

The square root of 65151851 is about 8071.6696537953. The cubic root of 65151851 is about 402.3854355476.

The spelling of 65151851 in words is "sixty-five million, one hundred fifty-one thousand, eight hundred fifty-one".