65654013 has 4 divisors (see below), whose sum is σ = 87538688. Its totient is φ = 43769340.

The previous prime is 65654011. The next prime is 65654027. The reversal of 65654013 is 31045656.

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 not a de Polignac number, because 65654013 - 2¹ = 65654011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65654011) 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, 10942333 + ... + 10942338.

It is an arithmetic number, because the mean of its divisors is an integer number (21884672).

Almost surely, 2^65654013 is an apocalyptic number.

It is an amenable number.

65654013 is a deficient number, since it is larger than the sum of its proper divisors (21884675).

65654013 is a wasteful number, since it uses less digits than its factorization.

65654013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21884674.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 65654013 is about 8102.7163963698. The cubic root of 65654013 is about 403.4165945330.

Adding to 65654013 its reverse (31045656), we get a palindrome (96699669).

The spelling of 65654013 in words is "sixty-five million, six hundred fifty-four thousand, thirteen".