526212313 has 4 divisors (see below), whose sum is σ = 574049808. Its totient is φ = 478374820.

The previous prime is 526212301. The next prime is 526212319. The reversal of 526212313 is 313212625.

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 not a de Polignac number, because 526212313 - 2⁹ = 526211801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526212319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23918731 + ... + 23918752.

It is an arithmetic number, because the mean of its divisors is an integer number (143512452).

Almost surely, 2^526212313 is an apocalyptic number.

It is an amenable number.

526212313 is a deficient number, since it is larger than the sum of its proper divisors (47837495).

526212313 is a wasteful number, since it uses less digits than its factorization.

526212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47837494.

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

The square root of 526212313 is about 22939.3180587392. The cubic root of 526212313 is about 807.3347918657.

Adding to 526212313 its reverse (313212625), we get a palindrome (839424938).

The spelling of 526212313 in words is "five hundred twenty-six million, two hundred twelve thousand, three hundred thirteen".