64956285 has 12 divisors (see below), whose sum is σ = 112590972. Its totient is φ = 34643328.

The previous prime is 64956271. The next prime is 64956293. The reversal of 64956285 is 58265946.

64956285 is a `hidden beast` number, since 6 + 4 + 9 + 562 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11329956 + 53626329 = 3366^2 + 7323^2 .

It is not a de Polignac number, because 64956285 - 2¹¹ = 64954237 is a prime.

It is a super-2 number, since 2×64956285² = 8438637922002450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1443473 = 64956285 / (6 + 4 + 9 + 5 + 6 + 2 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64956285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721692 + ... + 721781.

It is an arithmetic number, because the mean of its divisors is an integer number (9382581).

Almost surely, 2^64956285 is an apocalyptic number.

It is an amenable number.

64956285 is a deficient number, since it is larger than the sum of its proper divisors (47634687).

64956285 is a wasteful number, since it uses less digits than its factorization.

64956285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443484 (or 1443481 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 64956285 is about 8059.5462031060. The cubic root of 64956285 is about 401.9824192208.

The spelling of 64956285 in words is "sixty-four million, nine hundred fifty-six thousand, two hundred eighty-five".