64283613 has 32 divisors (see below), whose sum is σ = 94493952. Its totient is φ = 38707200.

The previous prime is 64283599. The next prime is 64283621. The reversal of 64283613 is 31638246.

It is not a de Polignac number, because 64283613 - 2¹² = 64279517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64283623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148245 + ... + 148677.

It is an arithmetic number, because the mean of its divisors is an integer number (2952936).

Almost surely, 2^64283613 is an apocalyptic number.

It is an amenable number.

64283613 is a deficient number, since it is larger than the sum of its proper divisors (30210339).

64283613 is a wasteful number, since it uses less digits than its factorization.

64283613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 20736, while the sum is 33.

The square root of 64283613 is about 8017.7062181150. The cubic root of 64283613 is about 400.5899897690.

It can be divided in two parts, 642 and 83613, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 64283613 in words is "sixty-four million, two hundred eighty-three thousand, six hundred thirteen".