52130761 has 4 divisors (see below), whose sum is σ = 52172800. Its totient is φ = 52088724.

The previous prime is 52130759. The next prime is 52130773. The reversal of 52130761 is 16703125.

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 a cyclic number.

It is not a de Polignac number, because 52130761 - 2¹ = 52130759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52130711) 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, 19101 + ... + 21658.

It is an arithmetic number, because the mean of its divisors is an integer number (13043200).

Almost surely, 2^52130761 is an apocalyptic number.

It is an amenable number.

52130761 is a deficient number, since it is larger than the sum of its proper divisors (42039).

52130761 is a wasteful number, since it uses less digits than its factorization.

52130761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42038.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 52130761 is about 7220.1635023038. The cubic root of 52130761 is about 373.5637171937.

Adding to 52130761 its reverse (16703125), we get a palindrome (68833886).

The spelling of 52130761 in words is "fifty-two million, one hundred thirty thousand, seven hundred sixty-one".