64834031 has 4 divisors (see below), whose sum is σ = 64893192. Its totient is φ = 64774872.

The previous prime is 64834013. The next prime is 64834043. The reversal of 64834031 is 13043846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13043846 = 2 ⋅6521923.

It is a cyclic number.

It is not a de Polignac number, because 64834031 - 2¹⁴ = 64817647 is a prime.

It is a super-2 number, since 2×64834031² = 8406903151417922, 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 = 64833985 and 64834003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64834331) 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, 27905 + ... + 30138.

It is an arithmetic number, because the mean of its divisors is an integer number (16223298).

Almost surely, 2^64834031 is an apocalyptic number.

64834031 is a deficient number, since it is larger than the sum of its proper divisors (59161).

64834031 is a wasteful number, since it uses less digits than its factorization.

64834031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59160.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 64834031 is about 8051.9582090321. The cubic root of 64834031 is about 401.7300709315.

Adding to 64834031 its reverse (13043846), we get a palindrome (77877877).

The spelling of 64834031 in words is "sixty-four million, eight hundred thirty-four thousand, thirty-one".