52319131 has 4 divisors (see below), whose sum is σ = 53432352. Its totient is φ = 51205912.

The previous prime is 52319129. The next prime is 52319143. The reversal of 52319131 is 13191325.

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 52319131 - 2¹ = 52319129 is a prime.

It is a super-2 number, since 2×52319131² = 5474582937190322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52319096 and 52319105.

It is not an unprimeable number, because it can be changed into a prime (52319101) 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, 556540 + ... + 556633.

It is an arithmetic number, because the mean of its divisors is an integer number (13358088).

Almost surely, 2^52319131 is an apocalyptic number.

52319131 is a deficient number, since it is larger than the sum of its proper divisors (1113221).

52319131 is a wasteful number, since it uses less digits than its factorization.

52319131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113220.

The product of its digits is 810, while the sum is 25.

The square root of 52319131 is about 7233.1964579984. The cubic root of 52319131 is about 374.0131230680.

The spelling of 52319131 in words is "fifty-two million, three hundred nineteen thousand, one hundred thirty-one".