526864445 has 4 divisors (see below), whose sum is σ = 632237340. Its totient is φ = 421491552.

The previous prime is 526864439. The next prime is 526864463. The reversal of 526864445 is 544468625.

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 124500964 + 402363481 = 11158^2 + 20059^2 .

It is a cyclic number.

It is not a de Polignac number, because 526864445 - 2¹² = 526860349 is a prime.

It is a super-2 number, since 2×526864445² = 555172286810316050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 526864396 and 526864405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52686440 + ... + 52686449.

It is an arithmetic number, because the mean of its divisors is an integer number (158059335).

Almost surely, 2^526864445 is an apocalyptic number.

It is an amenable number.

526864445 is a deficient number, since it is larger than the sum of its proper divisors (105372895).

526864445 is a wasteful number, since it uses less digits than its factorization.

526864445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105372894.

The product of its digits is 921600, while the sum is 44.

The square root of 526864445 is about 22953.5279423447. The cubic root of 526864445 is about 807.6681626982.

The spelling of 526864445 in words is "five hundred twenty-six million, eight hundred sixty-four thousand, four hundred forty-five".