65424067 has 4 divisors (see below), whose sum is σ = 65558896. Its totient is φ = 65289240.

The previous prime is 65424061. The next prime is 65424077. The reversal of 65424067 is 76042456.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65424067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65424061) 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, 66684 + ... + 67657.

It is an arithmetic number, because the mean of its divisors is an integer number (16389724).

Almost surely, 2^65424067 is an apocalyptic number.

65424067 is a deficient number, since it is larger than the sum of its proper divisors (134829).

65424067 is a wasteful number, since it uses less digits than its factorization.

65424067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134828.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 65424067 is about 8088.5145113302. The cubic root of 65424067 is about 402.9450694485.

It can be divided in two parts, 6542 and 4067, that added together give a square (10609 = 103²).

The spelling of 65424067 in words is "sixty-five million, four hundred twenty-four thousand, sixty-seven".