65114431 has 4 divisors (see below), whose sum is σ = 65135392. Its totient is φ = 65093472.

The previous prime is 65114363. The next prime is 65114453. The reversal of 65114431 is 13441156.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65114431 - 2⁷ = 65114303 is a prime.

It is a super-2 number, since 2×65114431² = 8479778248907522, 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 = 65114396 and 65114405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65114461) 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, 4791 + ... + 12376.

It is an arithmetic number, because the mean of its divisors is an integer number (16283848).

Almost surely, 2^65114431 is an apocalyptic number.

65114431 is a deficient number, since it is larger than the sum of its proper divisors (20961).

65114431 is a wasteful number, since it uses less digits than its factorization.

65114431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20960.

The product of its digits is 1440, while the sum is 25.

The square root of 65114431 is about 8069.3513370035. The cubic root of 65114431 is about 402.3083840318.

Adding to 65114431 its reverse (13441156), we get a palindrome (78555587).

The spelling of 65114431 in words is "sixty-five million, one hundred fourteen thousand, four hundred thirty-one".