64461085 has 16 divisors (see below), whose sum is σ = 85244544. Its totient is φ = 46492992.

The previous prime is 64461083. The next prime is 64461101. The reversal of 64461085 is 58016446.

It is not a de Polignac number, because 64461085 - 2¹ = 64461083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64461085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64461083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8737 + ... + 14326.

It is an arithmetic number, because the mean of its divisors is an integer number (5327784).

Almost surely, 2^64461085 is an apocalyptic number.

64461085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64461085 is a deficient number, since it is larger than the sum of its proper divisors (20783459).

64461085 is a wasteful number, since it uses less digits than its factorization.

64461085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23124.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 64461085 is about 8028.7660944880. The cubic root of 64461085 is about 400.9582960881.

The spelling of 64461085 in words is "sixty-four million, four hundred sixty-one thousand, eighty-five".