526422561 has 32 divisors (see below), whose sum is σ = 851316480. Its totient is φ = 282464256.

The previous prime is 526422557. The next prime is 526422593. The reversal of 526422561 is 165224625.

It is not a de Polignac number, because 526422561 - 2² = 526422557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (526422541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180265 + ... + 183161.

It is an arithmetic number, because the mean of its divisors is an integer number (26603640).

Almost surely, 2^526422561 is an apocalyptic number.

526422561 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

526422561 is a deficient number, since it is larger than the sum of its proper divisors (324893919).

526422561 is a wasteful number, since it uses less digits than its factorization.

526422561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433.

The product of its digits is 28800, while the sum is 33.

The square root of 526422561 is about 22943.9003005156. The cubic root of 526422561 is about 807.4423010209.

The spelling of 526422561 in words is "five hundred twenty-six million, four hundred twenty-two thousand, five hundred sixty-one".