64183013 has 4 divisors (see below), whose sum is σ = 64591980. Its totient is φ = 63774048.

The previous prime is 64183001. The next prime is 64183027. The reversal of 64183013 is 31038146.

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 7059649 + 57123364 = 2657^2 + 7558^2 .

It is a cyclic number.

It is not a de Polignac number, because 64183013 - 2¹⁰ = 64181989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64183513) 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, 204248 + ... + 204561.

It is an arithmetic number, because the mean of its divisors is an integer number (16147995).

Almost surely, 2^64183013 is an apocalyptic number.

It is an amenable number.

64183013 is a deficient number, since it is larger than the sum of its proper divisors (408967).

64183013 is a wasteful number, since it uses less digits than its factorization.

64183013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408966.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 64183013 is about 8011.4301469837. The cubic root of 64183013 is about 400.3809142291.

The spelling of 64183013 in words is "sixty-four million, one hundred eighty-three thousand, thirteen".