65412985 has 8 divisors (see below), whose sum is σ = 85631616. Its totient is φ = 47573040.

The previous prime is 65412973. The next prime is 65413021. The reversal of 65412985 is 58921456.

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

It is not a de Polignac number, because 65412985 - 2¹⁷ = 65281913 is a prime.

It is a super-2 number, since 2×65412985² = 8557717213220450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian 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, 594609 + ... + 594718.

It is an arithmetic number, because the mean of its divisors is an integer number (10703952).

Almost surely, 2^65412985 is an apocalyptic number.

It is an amenable number.

65412985 is a deficient number, since it is larger than the sum of its proper divisors (20218631).

65412985 is a wasteful number, since it uses less digits than its factorization.

65412985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189343.

The product of its digits is 86400, while the sum is 40.

The square root of 65412985 is about 8087.8294368761. The cubic root of 65412985 is about 402.9223169171.

The spelling of 65412985 in words is "sixty-five million, four hundred twelve thousand, nine hundred eighty-five".