52064609 has 4 divisors (see below), whose sum is σ = 52947120. Its totient is φ = 51182100.

The previous prime is 52064563. The next prime is 52064627. The reversal of 52064609 is 90646025.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52064609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52064669) 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, 441167 + ... + 441284.

It is an arithmetic number, because the mean of its divisors is an integer number (13236780).

Almost surely, 2^52064609 is an apocalyptic number.

52064609 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

52064609 is a deficient number, since it is larger than the sum of its proper divisors (882511).

52064609 is an equidigital number, since it uses as much as digits as its factorization.

52064609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882510.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 52064609 is about 7215.5809883889. The cubic root of 52064609 is about 373.4056374804.

The spelling of 52064609 in words is "fifty-two million, sixty-four thousand, six hundred nine".