64267001 has 4 divisors (see below), whose sum is σ = 65634432. Its totient is φ = 62899572.

The previous prime is 64266971. The next prime is 64267009. The reversal of 64267001 is 10076246.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10076246 = 2 ⋅5038123.

It is a cyclic number.

It is not a de Polignac number, because 64267001 - 2¹⁰ = 64265977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64267009) 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, 683645 + ... + 683738.

It is an arithmetic number, because the mean of its divisors is an integer number (16408608).

Almost surely, 2^64267001 is an apocalyptic number.

It is an amenable number.

64267001 is a deficient number, since it is larger than the sum of its proper divisors (1367431).

64267001 is a wasteful number, since it uses less digits than its factorization.

64267001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367430.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 64267001 is about 8016.6701940394. The cubic root of 64267001 is about 400.5554803303. Note that the first 3 decimals are identical.

The spelling of 64267001 in words is "sixty-four million, two hundred sixty-seven thousand, one".