65306149 has 2 divisors, whose sum is σ = 65306150. Its totient is φ = 65306148.

The previous prime is 65306117. The next prime is 65306159. The reversal of 65306149 is 94160356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44649124 + 20657025 = 6682^2 + 4545^2 .

It is a cyclic number.

It is not a de Polignac number, because 65306149 - 2⁵ = 65306117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65306159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32653074 + 32653075.

It is an arithmetic number, because the mean of its divisors is an integer number (32653075).

Almost surely, 2^65306149 is an apocalyptic number.

It is an amenable number.

65306149 is a deficient number, since it is larger than the sum of its proper divisors (1).

65306149 is an equidigital number, since it uses as much as digits as its factorization.

65306149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 65306149 is about 8081.2219991781. The cubic root of 65306149 is about 402.7028392640.

The spelling of 65306149 in words is "sixty-five million, three hundred six thousand, one hundred forty-nine".