65332401 has 4 divisors (see below), whose sum is σ = 87109872. Its totient is φ = 43554932.

The previous prime is 65332391. The next prime is 65332427. The reversal of 65332401 is 10423356.

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 65332401 - 2⁵ = 65332369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65332441) 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, 10888731 + ... + 10888736.

It is an arithmetic number, because the mean of its divisors is an integer number (21777468).

Almost surely, 2^65332401 is an apocalyptic number.

It is an amenable number.

65332401 is a deficient number, since it is larger than the sum of its proper divisors (21777471).

65332401 is a wasteful number, since it uses less digits than its factorization.

65332401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21777470.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 65332401 is about 8082.8460952810. The cubic root of 65332401 is about 402.7567920125.

Adding to 65332401 its reverse (10423356), we get a palindrome (75755757).

The spelling of 65332401 in words is "sixty-five million, three hundred thirty-two thousand, four hundred one".