64651341 has 4 divisors (see below), whose sum is σ = 86201792. Its totient is φ = 43100892.

The previous prime is 64651339. The next prime is 64651369. The reversal of 64651341 is 14315646.

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 64651341 - 2¹ = 64651339 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64651299 and 64651308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64651331) 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, 10775221 + ... + 10775226.

It is an arithmetic number, because the mean of its divisors is an integer number (21550448).

Almost surely, 2^64651341 is an apocalyptic number.

It is an amenable number.

64651341 is a deficient number, since it is larger than the sum of its proper divisors (21550451).

64651341 is a wasteful number, since it uses less digits than its factorization.

64651341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550450.

The product of its digits is 8640, while the sum is 30.

The square root of 64651341 is about 8040.6057607621. The cubic root of 64651341 is about 401.3523829148.

Adding to 64651341 its reverse (14315646), we get a palindrome (78966987).

The spelling of 64651341 in words is "sixty-four million, six hundred fifty-one thousand, three hundred forty-one".