65454847 has 2 divisors, whose sum is σ = 65454848. Its totient is φ = 65454846.

The previous prime is 65454833. The next prime is 65454853. The reversal of 65454847 is 74845456.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65454847 - 2¹⁵ = 65422079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65554847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32727423 + 32727424.

It is an arithmetic number, because the mean of its divisors is an integer number (32727424).

Almost surely, 2^65454847 is an apocalyptic number.

65454847 is a deficient number, since it is larger than the sum of its proper divisors (1).

65454847 is an equidigital number, since it uses as much as digits as its factorization.

65454847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 43.

The square root of 65454847 is about 8090.4169855453. The cubic root of 65454847 is about 403.0082506054.

The spelling of 65454847 in words is "sixty-five million, four hundred fifty-four thousand, eight hundred forty-seven".