52003331 has 4 divisors (see below), whose sum is σ = 52049664. Its totient is φ = 51957000.

The previous prime is 52003309. The next prime is 52003333. The reversal of 52003331 is 13330025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52003331 is a prime.

It is a super-2 number, since 2×52003331² = 5408692870191122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52003333) 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, 21440 + ... + 23741.

It is an arithmetic number, because the mean of its divisors is an integer number (13012416).

Almost surely, 2^52003331 is an apocalyptic number.

52003331 is a deficient number, since it is larger than the sum of its proper divisors (46333).

52003331 is a wasteful number, since it uses less digits than its factorization.

52003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46332.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 52003331 is about 7211.3335105236. Note that the first 3 decimals coincide. The cubic root of 52003331 is about 373.2590853799.

Adding to 52003331 its reverse (13330025), we get a palindrome (65333356).

The spelling of 52003331 in words is "fifty-two million, three thousand, three hundred thirty-one".