65403841 has 4 divisors (see below), whose sum is σ = 65499184. Its totient is φ = 65308500.

The previous prime is 65403829. The next prime is 65403869. The reversal of 65403841 is 14830456.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65403841 - 2¹¹ = 65401793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65403941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46635 + ... + 48016.

It is an arithmetic number, because the mean of its divisors is an integer number (16374796).

Almost surely, 2^65403841 is an apocalyptic number.

It is an amenable number.

65403841 is a deficient number, since it is larger than the sum of its proper divisors (95343).

65403841 is an equidigital number, since it uses as much as digits as its factorization.

65403841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95342.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 65403841 is about 8087.2641232991. The cubic root of 65403841 is about 402.9035413720.

The spelling of 65403841 in words is "sixty-five million, four hundred three thousand, eight hundred forty-one".