526140313 has 4 divisors (see below), whose sum is σ = 526781988. Its totient is φ = 525498640.

The previous prime is 526140283. The next prime is 526140337. The reversal of 526140313 is 313041625.

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

It can be written as a sum of positive squares in 2 ways, for example, as 207446409 + 318693904 = 14403^2 + 17852^2 .

It is a cyclic number.

It is not a de Polignac number, because 526140313 - 2¹³ = 526132121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526140113) 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, 319606 + ... + 321247.

It is an arithmetic number, because the mean of its divisors is an integer number (131695497).

Almost surely, 2^526140313 is an apocalyptic number.

It is an amenable number.

526140313 is a deficient number, since it is larger than the sum of its proper divisors (641675).

526140313 is an equidigital number, since it uses as much as digits as its factorization.

526140313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641674.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 526140313 is about 22937.7486471537. The cubic root of 526140313 is about 807.2979684803.

Adding to 526140313 its reverse (313041625), we get a palindrome (839181938).

The spelling of 526140313 in words is "five hundred twenty-six million, one hundred forty thousand, three hundred thirteen".