64971033 has 4 divisors (see below), whose sum is σ = 86628048. Its totient is φ = 43314020.

The previous prime is 64971031. The next prime is 64971043. The reversal of 64971033 is 33017946.

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 64971033 - 2¹ = 64971031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64970985 and 64971003.

It is not an unprimeable number, because it can be changed into a prime (64971031) 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, 10828503 + ... + 10828508.

It is an arithmetic number, because the mean of its divisors is an integer number (21657012).

Almost surely, 2^64971033 is an apocalyptic number.

It is an amenable number.

64971033 is a deficient number, since it is larger than the sum of its proper divisors (21657015).

64971033 is a wasteful number, since it uses less digits than its factorization.

64971033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21657014.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 64971033 is about 8060.4610910295. The cubic root of 64971033 is about 402.0128396186.

Adding to 64971033 its reverse (33017946), we get a palindrome (97988979).

The spelling of 64971033 in words is "sixty-four million, nine hundred seventy-one thousand, thirty-three".