65061715 has 8 divisors (see below), whose sum is σ = 80592768. Its totient is φ = 50370240.

The previous prime is 65061713. The next prime is 65061721. The reversal of 65061715 is 51716056.

65061715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 65061715 - 2¹ = 65061713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65061713) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 209722 + ... + 210031.

It is an arithmetic number, because the mean of its divisors is an integer number (10074096).

Almost surely, 2^65061715 is an apocalyptic number.

65061715 is a deficient number, since it is larger than the sum of its proper divisors (15531053).

65061715 is a wasteful number, since it uses less digits than its factorization.

65061715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419789.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 65061715 is about 8066.0842420595. The cubic root of 65061715 is about 402.1997864224.

The spelling of 65061715 in words is "sixty-five million, sixty-one thousand, seven hundred fifteen".