526641213 has 16 divisors (see below), whose sum is σ = 811520640. Its totient is φ = 297555456.

The previous prime is 526641211. The next prime is 526641233. The reversal of 526641213 is 312146625.

It is not a de Polignac number, because 526641213 - 2¹ = 526641211 is a prime.

It is a super-2 number, since 2×526641213² = 554701934460222738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526641211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139020 + ... + 142757.

It is an arithmetic number, because the mean of its divisors is an integer number (50720040).

Almost surely, 2^526641213 is an apocalyptic number.

It is an amenable number.

526641213 is a deficient number, since it is larger than the sum of its proper divisors (284879427).

526641213 is a wasteful number, since it uses less digits than its factorization.

526641213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281876.

The product of its digits is 8640, while the sum is 30.

The square root of 526641213 is about 22948.6647323978. The cubic root of 526641213 is about 807.5540771550.

Adding to 526641213 its reverse (312146625), we get a palindrome (838787838).

The spelling of 526641213 in words is "five hundred twenty-six million, six hundred forty-one thousand, two hundred thirteen".