52004153213 has 4 divisors (see below), whose sum is σ = 52004884860. Its totient is φ = 52003421568.

The previous prime is 52004153209. The next prime is 52004153233. The reversal of 52004153213 is 31235140025.

It is a happy number.

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 49224965689 + 2779187524 = 221867^2 + 52718^2 .

It is a cyclic number.

It is not a de Polignac number, because 52004153213 - 2² = 52004153209 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 (52004153233) 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, 246158 + ... + 405711.

It is an arithmetic number, because the mean of its divisors is an integer number (13001221215).

Almost surely, 2^52004153213 is an apocalyptic number.

It is an amenable number.

52004153213 is a deficient number, since it is larger than the sum of its proper divisors (731647).

52004153213 is an equidigital number, since it uses as much as digits as its factorization.

52004153213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731646.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 52004153213 its reverse (31235140025), we get a palindrome (83239293238).

The spelling of 52004153213 in words is "fifty-two billion, four million, one hundred fifty-three thousand, two hundred thirteen".