52130307 has 4 divisors (see below), whose sum is σ = 69507080. Its totient is φ = 34753536.

The previous prime is 52130303. The next prime is 52130329. The reversal of 52130307 is 70303125.

It is a happy number.

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

It is not a de Polignac number, because 52130307 - 2² = 52130303 is a prime.

It is a super-3 number, since 3×52130307³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52130303) 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, 8688382 + ... + 8688387.

It is an arithmetic number, because the mean of its divisors is an integer number (17376770).

Almost surely, 2^52130307 is an apocalyptic number.

52130307 is a deficient number, since it is larger than the sum of its proper divisors (17376773).

52130307 is a wasteful number, since it uses less digits than its factorization.

52130307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17376772.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 52130307 is about 7220.1320625041. The cubic root of 52130307 is about 373.5626327513.

It can be divided in two parts, 5 and 2130307, that added together give a palindrome (2130312).

The spelling of 52130307 in words is "fifty-two million, one hundred thirty thousand, three hundred seven".