52133513 has 4 divisors (see below), whose sum is σ = 52198608. Its totient is φ = 52068420.

The previous prime is 52133507. The next prime is 52133519. The reversal of 52133513 is 31533125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52133507) and next prime (52133519).

It is a cyclic number.

It is not a de Polignac number, because 52133513 - 2⁶ = 52133449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52133519) 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, 31331 + ... + 32952.

It is an arithmetic number, because the mean of its divisors is an integer number (13049652).

Almost surely, 2^52133513 is an apocalyptic number.

It is an amenable number.

52133513 is a deficient number, since it is larger than the sum of its proper divisors (65095).

52133513 is an equidigital number, since it uses as much as digits as its factorization.

52133513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65094.

The product of its digits is 1350, while the sum is 23.

The square root of 52133513 is about 7220.3540771904. The cubic root of 52133513 is about 373.5702905951.

Adding to 52133513 its reverse (31533125), we get a palindrome (83666638).

The spelling of 52133513 in words is "fifty-two million, one hundred thirty-three thousand, five hundred thirteen".