65552651 has 2 divisors, whose sum is σ = 65552652. Its totient is φ = 65552650.

The previous prime is 65552623. The next prime is 65552657. The reversal of 65552651 is 15625556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65552651 is a prime.

It is not a weakly prime, because it can be changed into another prime (65552657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32776325 + 32776326.

It is an arithmetic number, because the mean of its divisors is an integer number (32776326).

Almost surely, 2^65552651 is an apocalyptic number.

65552651 is a deficient number, since it is larger than the sum of its proper divisors (1).

65552651 is an equidigital number, since it uses as much as digits as its factorization.

65552651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 35.

The square root of 65552651 is about 8096.4591643508. The cubic root of 65552651 is about 403.2088784939.

The spelling of 65552651 in words is "sixty-five million, five hundred fifty-two thousand, six hundred fifty-one".