64602243 has 6 divisors (see below), whose sum is σ = 93314364. Its totient is φ = 43068156.

The previous prime is 64602221. The next prime is 64602253. The reversal of 64602243 is 34220646.

It is not a de Polignac number, because 64602243 - 2¹⁰ = 64601219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64602253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3589005 + ... + 3589022.

It is an arithmetic number, because the mean of its divisors is an integer number (15552394).

Almost surely, 2^64602243 is an apocalyptic number.

64602243 is a deficient number, since it is larger than the sum of its proper divisors (28712121).

64602243 is a wasteful number, since it uses less digits than its factorization.

64602243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7178033 (or 7178030 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64602243 is about 8037.5520527086. The cubic root of 64602243 is about 401.2507578522.

Adding to 64602243 its reverse (34220646), we get a palindrome (98822889).

The spelling of 64602243 in words is "sixty-four million, six hundred two thousand, two hundred forty-three".