65036149 has 2 divisors, whose sum is σ = 65036150. Its totient is φ = 65036148.

The previous prime is 65036137. The next prime is 65036159. The reversal of 65036149 is 94163056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38068900 + 26967249 = 6170^2 + 5193^2 .

It is a cyclic number.

It is not a de Polignac number, because 65036149 - 2²⁵ = 31481717 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65036159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32518074 + 32518075.

It is an arithmetic number, because the mean of its divisors is an integer number (32518075).

Almost surely, 2^65036149 is an apocalyptic number.

It is an amenable number.

65036149 is a deficient number, since it is larger than the sum of its proper divisors (1).

65036149 is an equidigital number, since it uses as much as digits as its factorization.

65036149 is an evil number, because the sum of its binary digits is even.

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

The square root of 65036149 is about 8064.4993024986. The cubic root of 65036149 is about 402.1470980536.

The spelling of 65036149 in words is "sixty-five million, thirty-six thousand, one hundred forty-nine".