65483921 has 4 divisors (see below), whose sum is σ = 68331072. Its totient is φ = 62636772.

The previous prime is 65483879. The next prime is 65483933. The reversal of 65483921 is 12938456.

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 65483921 - 2¹⁰ = 65482897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65483941) 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, 1423541 + ... + 1423586.

It is an arithmetic number, because the mean of its divisors is an integer number (17082768).

Almost surely, 2^65483921 is an apocalyptic number.

It is an amenable number.

65483921 is a deficient number, since it is larger than the sum of its proper divisors (2847151).

65483921 is a wasteful number, since it uses less digits than its factorization.

65483921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847150.

The product of its digits is 51840, while the sum is 38.

The square root of 65483921 is about 8092.2136032114. The cubic root of 65483921 is about 403.0679117204.

The spelling of 65483921 in words is "sixty-five million, four hundred eighty-three thousand, nine hundred twenty-one".