65149033 has 2 divisors, whose sum is σ = 65149034. Its totient is φ = 65149032.

The previous prime is 65149013. The next prime is 65149057. The reversal of 65149033 is 33094156.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45319824 + 19829209 = 6732^2 + 4453^2 .

It is a cyclic number.

It is not a de Polignac number, because 65149033 - 2⁹ = 65148521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65148986 and 65149004.

It is not a weakly prime, because it can be changed into another prime (65149013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32574516 + 32574517.

It is an arithmetic number, because the mean of its divisors is an integer number (32574517).

Almost surely, 2^65149033 is an apocalyptic number.

It is an amenable number.

65149033 is a deficient number, since it is larger than the sum of its proper divisors (1).

65149033 is an equidigital number, since it uses as much as digits as its factorization.

65149033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 65149033 is about 8071.4950907499. The cubic root of 65149033 is about 402.3796340317.

The spelling of 65149033 in words is "sixty-five million, one hundred forty-nine thousand, thirty-three".