65132215 has 8 divisors (see below), whose sum is σ = 78361920. Its totient is φ = 51970272.

The previous prime is 65132131. The next prime is 65132233. The reversal of 65132215 is 51223156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65132215 - 2²⁵ = 31577783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65132215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14799 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (9795240).

Almost surely, 2^65132215 is an apocalyptic number.

65132215 is a deficient number, since it is larger than the sum of its proper divisors (13229705).

65132215 is a wasteful number, since it uses less digits than its factorization.

65132215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33881.

The product of its digits is 1800, while the sum is 25.

The square root of 65132215 is about 8070.4532090831. The cubic root of 65132215 is about 402.3450067432.

The spelling of 65132215 in words is "sixty-five million, one hundred thirty-two thousand, two hundred fifteen".