64242853 has 4 divisors (see below), whose sum is σ = 64277388. Its totient is φ = 64208320.

The previous prime is 64242839. The next prime is 64242863. The reversal of 64242853 is 35824246.

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 31787044 + 32455809 = 5638^2 + 5697^2 .

It is a cyclic number.

It is not a de Polignac number, because 64242853 - 2¹⁷ = 64111781 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 (64242803) 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, 14308 + ... + 18253.

It is an arithmetic number, because the mean of its divisors is an integer number (16069347).

Almost surely, 2^64242853 is an apocalyptic number.

It is an amenable number.

64242853 is a deficient number, since it is larger than the sum of its proper divisors (34535).

64242853 is a wasteful number, since it uses less digits than its factorization.

64242853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34534.

The product of its digits is 46080, while the sum is 34.

The square root of 64242853 is about 8015.1639409310. The cubic root of 64242853 is about 400.5053051480.

The spelling of 64242853 in words is "sixty-four million, two hundred forty-two thousand, eight hundred fifty-three".