64035481 has 8 divisors (see below), whose sum is σ = 69456744. Its totient is φ = 58798080.

The previous prime is 64035469. The next prime is 64035487. The reversal of 64035481 is 18453046.

64035481 = T₃₀ + T₃₁ + ... + T₇₂₆.

It is a happy number.

64035481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 21902400 + 42133081 = 4680^2 + 6491^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 64035481 - 2⁵ = 64035449 is a prime.

It is a super-2 number, since 2×64035481² = 8201085653802722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64035487) 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, 45240 + ... + 46633.

It is an arithmetic number, because the mean of its divisors is an integer number (8682093).

Almost surely, 2^64035481 is an apocalyptic number.

It is an amenable number.

64035481 is a deficient number, since it is larger than the sum of its proper divisors (5421263).

64035481 is a wasteful number, since it uses less digits than its factorization.

64035481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91931.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 64035481 is about 8002.2172552362. The cubic root of 64035481 is about 400.0739050943.

It can be divided in two parts, 64035 and 481, that added together give a square (64516 = 254²).

The spelling of 64035481 in words is "sixty-four million, thirty-five thousand, four hundred eighty-one".