526661361 has 12 divisors (see below), whose sum is σ = 800771920. Its totient is φ = 332628120.

The previous prime is 526661357. The next prime is 526661363. The reversal of 526661361 is 163166625.

It is not a de Polignac number, because 526661361 - 2² = 526661357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (526661363) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1539775 + ... + 1540116.

Almost surely, 2^526661361 is an apocalyptic number.

It is an amenable number.

526661361 is a deficient number, since it is larger than the sum of its proper divisors (274110559).

526661361 is a wasteful number, since it uses less digits than its factorization.

526661361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079916 (or 3079913 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 526661361 is about 22949.1037079882. The cubic root of 526661361 is about 807.5643753692.

The spelling of 526661361 in words is "five hundred twenty-six million, six hundred sixty-one thousand, three hundred sixty-one".