65332549 has 2 divisors, whose sum is σ = 65332550. Its totient is φ = 65332548.

The previous prime is 65332543. The next prime is 65332577. The reversal of 65332549 is 94523356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47541025 + 17791524 = 6895^2 + 4218^2 .

It is a cyclic number.

It is not a de Polignac number, because 65332549 - 2¹¹ = 65330501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65332543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32666274 + 32666275.

It is an arithmetic number, because the mean of its divisors is an integer number (32666275).

Almost surely, 2^65332549 is an apocalyptic number.

It is an amenable number.

65332549 is a deficient number, since it is larger than the sum of its proper divisors (1).

65332549 is an equidigital number, since it uses as much as digits as its factorization.

65332549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97200, while the sum is 37.

The square root of 65332549 is about 8082.8552504669. The cubic root of 65332549 is about 402.7570961391.

The spelling of 65332549 in words is "sixty-five million, three hundred thirty-two thousand, five hundred forty-nine".