52001619 has 4 divisors (see below), whose sum is σ = 69335496. Its totient is φ = 34667744.

The previous prime is 52001617. The next prime is 52001641. The reversal of 52001619 is 91610025.

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

It is a cyclic number.

It is not a de Polignac number, because 52001619 - 2¹ = 52001617 is a prime.

It is a super-2 number, since 2×52001619² = 5408336757242322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52001617) 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, 8666934 + ... + 8666939.

It is an arithmetic number, because the mean of its divisors is an integer number (17333874).

Almost surely, 2^52001619 is an apocalyptic number.

52001619 is a deficient number, since it is larger than the sum of its proper divisors (17333877).

52001619 is a wasteful number, since it uses less digits than its factorization.

52001619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17333876.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 52001619 is about 7211.2148075064. The cubic root of 52001619 is about 373.2549893182.

The spelling of 52001619 in words is "fifty-two million, one thousand, six hundred nineteen".