52312511 has 8 divisors (see below), whose sum is σ = 54983040. Its totient is φ = 49675032.

The previous prime is 52312501. The next prime is 52312517. The reversal of 52312511 is 11521325.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-52312511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52312517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4985 + ... + 11378.

It is an arithmetic number, because the mean of its divisors is an integer number (6872880).

Almost surely, 2^52312511 is an apocalyptic number.

52312511 is a deficient number, since it is larger than the sum of its proper divisors (2670529).

52312511 is a wasteful number, since it uses less digits than its factorization.

52312511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525.

The product of its digits is 300, while the sum is 20.

The square root of 52312511 is about 7232.7388311759. The cubic root of 52312511 is about 373.9973476320.

Adding to 52312511 its reverse (11521325), we get a palindrome (63833836).

The spelling of 52312511 in words is "fifty-two million, three hundred twelve thousand, five hundred eleven".