64249 has 4 divisors (see below), whose sum is σ = 65664. Its totient is φ = 62836.

The previous prime is 64237. The next prime is 64271. The reversal of 64249 is 94246.

64249 = T₂₇ + T₂₈ + ... + T₇₃.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94246 = 2 ⋅47123.

It is a cyclic number.

It is not a de Polignac number, because 64249 - 2⁵ = 64217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64279) 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, 637 + ... + 730.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2⁶⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

64249 is a deficient number, since it is larger than the sum of its proper divisors (1415).

64249 is a wasteful number, since it uses less digits than its factorization.

64249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its digits is 1728, while the sum is 25.

The square root of 64249 is about 253.4738645304. The cubic root of 64249 is about 40.0518078696.

It can be divided in two parts, 64 and 249, that added together give a palindrome (313).

The spelling of 64249 in words is "sixty-four thousand, two hundred forty-nine".