52140313 has 12 divisors (see below), whose sum is σ = 55633620. Its totient is φ = 48854016.

The previous prime is 52140293. The next prime is 52140317. The reversal of 52140313 is 31304125.

52140313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16999129 + 35141184 = 4123^2 + 5928^2 .

It is a de Polignac number, because none of the positive numbers 2^k-52140313 is a prime.

It is a super-2 number, since 2×52140313² = 5437224479475938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52140317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34273 + ... + 35761.

It is an arithmetic number, because the mean of its divisors is an integer number (4636135).

Almost surely, 2^52140313 is an apocalyptic number.

It is an amenable number.

52140313 is a deficient number, since it is larger than the sum of its proper divisors (3493307).

52140313 is a wasteful number, since it uses less digits than its factorization.

52140313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 52140313 is about 7220.8249528707. The cubic root of 52140313 is about 373.5865320196.

Adding to 52140313 its reverse (31304125), we get a palindrome (83444438).

The spelling of 52140313 in words is "fifty-two million, one hundred forty thousand, three hundred thirteen".