65532149 has 2 divisors, whose sum is σ = 65532150. Its totient is φ = 65532148.

The previous prime is 65532119. The next prime is 65532163. The reversal of 65532149 is 94123556.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49984900 + 15547249 = 7070^2 + 3943^2 .

It is a cyclic number.

It is not a de Polignac number, because 65532149 - 2¹² = 65528053 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 (65532119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32766074 + 32766075.

It is an arithmetic number, because the mean of its divisors is an integer number (32766075).

Almost surely, 2^65532149 is an apocalyptic number.

It is an amenable number.

65532149 is a deficient number, since it is larger than the sum of its proper divisors (1).

65532149 is an equidigital number, since it uses as much as digits as its factorization.

65532149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 65532149 is about 8095.1929563167. The cubic root of 65532149 is about 403.1668387479.

The spelling of 65532149 in words is "sixty-five million, five hundred thirty-two thousand, one hundred forty-nine".