64001361 has 8 divisors (see below), whose sum is σ = 85421440. Its totient is φ = 42624432.

The previous prime is 64001339. The next prime is 64001401. The reversal of 64001361 is 16310046.

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

It is not a de Polignac number, because 64001361 - 2⁷ = 64001233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64001321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7150 + ... + 13383.

It is an arithmetic number, because the mean of its divisors is an integer number (10677680).

Almost surely, 2^64001361 is an apocalyptic number.

It is an amenable number.

64001361 is a deficient number, since it is larger than the sum of its proper divisors (21420079).

64001361 is a wasteful number, since it uses less digits than its factorization.

64001361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21575.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 64001361 is about 8000.0850620478. The cubic root of 64001361 is about 400.0028353966.

The spelling of 64001361 in words is "sixty-four million, one thousand, three hundred sixty-one".