526105969 has 3 divisors (see below), whose sum is σ = 526128907. Its totient is φ = 526083032.

The previous prime is 526105927. The next prime is 526106027. The reversal of 526105969 is 969501625.

The square root of 526105969 is 22937.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 129618225 + 396487744 = 11385^2 + 19912^2 .

It is a de Polignac number, because none of the positive numbers 2^k-526105969 is a prime.

It is a super-2 number, since 2×526105969² = 553574981234857922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526105369) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11469 + ... + 34405.

Almost surely, 2^526105969 is an apocalyptic number.

526105969 is the 22937-th square number.

526105969 is the 11469-th centered octagonal number.

It is an amenable number.

526105969 is a deficient number, since it is larger than the sum of its proper divisors (22938).

526105969 is an frugal number, since it uses more digits than its factorization.

526105969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45874 (or 22937 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The cubic root of 526105969 is about 807.2804025421.

The spelling of 526105969 in words is "five hundred twenty-six million, one hundred five thousand, nine hundred sixty-nine".