65532151 has 4 divisors (see below), whose sum is σ = 65566872. Its totient is φ = 65497432.

The previous prime is 65532149. The next prime is 65532163. The reversal of 65532151 is 15123556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65532151 - 2¹ = 65532149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65532101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14356 + ... + 18361.

It is an arithmetic number, because the mean of its divisors is an integer number (16391718).

Almost surely, 2^65532151 is an apocalyptic number.

65532151 is a deficient number, since it is larger than the sum of its proper divisors (34721).

65532151 is a wasteful number, since it uses less digits than its factorization.

65532151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34720.

The product of its digits is 4500, while the sum is 28.

The square root of 65532151 is about 8095.1930798468. The cubic root of 65532151 is about 403.1668428494.

The spelling of 65532151 in words is "sixty-five million, five hundred thirty-two thousand, one hundred fifty-one".