65424345 has 32 divisors (see below), whose sum is σ = 120994560. Its totient is φ = 29568000.

The previous prime is 65424341. The next prime is 65424367. The reversal of 65424345 is 54342456.

It is not a de Polignac number, because 65424345 - 2² = 65424341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65424341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5845 + ... + 12845.

It is an arithmetic number, because the mean of its divisors is an integer number (3781080).

Almost surely, 2^65424345 is an apocalyptic number.

It is an amenable number.

65424345 is a deficient number, since it is larger than the sum of its proper divisors (55570215).

65424345 is a wasteful number, since it uses less digits than its factorization.

65424345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7105.

The product of its digits is 57600, while the sum is 33.

The square root of 65424345 is about 8088.5316961733. The cubic root of 65424345 is about 402.9456401792.

The spelling of 65424345 in words is "sixty-five million, four hundred twenty-four thousand, three hundred forty-five".