64281001 has 4 divisors (see below), whose sum is σ = 65775952. Its totient is φ = 62786052.

The previous prime is 64280969. The next prime is 64281013. The reversal of 64281001 is 10018246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64281001 - 2⁵ = 64280969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64281401) 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, 747411 + ... + 747496.

It is an arithmetic number, because the mean of its divisors is an integer number (16443988).

Almost surely, 2^64281001 is an apocalyptic number.

It is an amenable number.

64281001 is a deficient number, since it is larger than the sum of its proper divisors (1494951).

64281001 is a wasteful number, since it uses less digits than its factorization.

64281001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494950.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 64281001 is about 8017.5433269799. The cubic root of 64281001 is about 400.5845640460.

Adding to 64281001 its reverse (10018246), we get a palindrome (74299247).

The spelling of 64281001 in words is "sixty-four million, two hundred eighty-one thousand, one".