65342515 has 16 divisors (see below), whose sum is σ = 89874432. Its totient is φ = 44675424.

The previous prime is 65342503. The next prime is 65342527. The reversal of 65342515 is 51524356.

65342515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (65342503) and next prime (65342527).

It is a cyclic number.

It is not a de Polignac number, because 65342515 - 2⁵ = 65342483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10302 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (5617152).

Almost surely, 2^65342515 is an apocalyptic number.

65342515 is a deficient number, since it is larger than the sum of its proper divisors (24531917).

65342515 is a wasteful number, since it uses less digits than its factorization.

65342515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466.

The product of its digits is 18000, while the sum is 31.

The square root of 65342515 is about 8083.4717170285. The cubic root of 65342515 is about 402.7775743091. Note that the first 3 decimals are identical.

The spelling of 65342515 in words is "sixty-five million, three hundred forty-two thousand, five hundred fifteen".