52004145 has 8 divisors (see below), whose sum is σ = 83206656. Its totient is φ = 27735536.

The previous prime is 52004131. The next prime is 52004149. The reversal of 52004145 is 54140025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52004145 - 2¹⁰ = 52003121 is a prime.

It is a super-3 number, since 3×52004145³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52004149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733457 + ... + 1733486.

It is an arithmetic number, because the mean of its divisors is an integer number (10400832).

Almost surely, 2^52004145 is an apocalyptic number.

It is an amenable number.

52004145 is a deficient number, since it is larger than the sum of its proper divisors (31202511).

52004145 is a wasteful number, since it uses less digits than its factorization.

52004145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466951.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52004145 is about 7211.3899492400. The cubic root of 52004145 is about 373.2610328918.

The spelling of 52004145 in words is "fifty-two million, four thousand, one hundred forty-five".