64214653 has 4 divisors (see below), whose sum is σ = 64232028. Its totient is φ = 64197280.

The previous prime is 64214617. The next prime is 64214663. The reversal of 64214653 is 35641246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56580484 + 7634169 = 7522^2 + 2763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64214653 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 (64214603) 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, 688 + ... + 11353.

It is an arithmetic number, because the mean of its divisors is an integer number (16058007).

Almost surely, 2^64214653 is an apocalyptic number.

It is an amenable number.

64214653 is a deficient number, since it is larger than the sum of its proper divisors (17375).

64214653 is a wasteful number, since it uses less digits than its factorization.

64214653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374.

The product of its digits is 17280, while the sum is 31.

The square root of 64214653 is about 8013.4045823233. The cubic root of 64214653 is about 400.4466947239.

Adding to 64214653 its reverse (35641246), we get a palindrome (99855899).

The spelling of 64214653 in words is "sixty-four million, two hundred fourteen thousand, six hundred fifty-three".