64080931 has 4 divisors (see below), whose sum is σ = 64317664. Its totient is φ = 63844200.

The previous prime is 64080917. The next prime is 64080943. The reversal of 64080931 is 13908046.

64080931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13908046 = 2 ⋅6954023.

It is a cyclic number.

It is not a de Polignac number, because 64080931 - 2⁵ = 64080899 is a prime.

It is a super-2 number, since 2×64080931² = 8212731435653522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64080893 and 64080902.

It is not an unprimeable number, because it can be changed into a prime (64080971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117960 + ... + 118501.

It is an arithmetic number, because the mean of its divisors is an integer number (16079416).

Almost surely, 2^64080931 is an apocalyptic number.

64080931 is a deficient number, since it is larger than the sum of its proper divisors (236733).

64080931 is a wasteful number, since it uses less digits than its factorization.

64080931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236732.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 64080931 is about 8005.0565894315. The cubic root of 64080931 is about 400.1685352297.

Adding to 64080931 its reverse (13908046), we get a palindrome (77988977).

The spelling of 64080931 in words is "sixty-four million, eighty thousand, nine hundred thirty-one".