64601017 has 4 divisors (see below), whose sum is σ = 69570340. Its totient is φ = 59631696.

The previous prime is 64600999. The next prime is 64601029. The reversal of 64601017 is 71010646.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31181056 + 33419961 = 5584^2 + 5781^2 .

It is a cyclic number.

It is not a de Polignac number, because 64601017 - 2¹¹ = 64598969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64600982 and 64601000.

It is not an unprimeable number, because it can be changed into a prime (64601617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2484642 + ... + 2484667.

It is an arithmetic number, because the mean of its divisors is an integer number (17392585).

Almost surely, 2^64601017 is an apocalyptic number.

It is an amenable number.

64601017 is a deficient number, since it is larger than the sum of its proper divisors (4969323).

64601017 is a wasteful number, since it uses less digits than its factorization.

64601017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969322.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 64601017 is about 8037.4757853446. The cubic root of 64601017 is about 401.2482195681.

The spelling of 64601017 in words is "sixty-four million, six hundred one thousand, seventeen".