526421061 has 24 divisors (see below), whose sum is σ = 769582944. Its totient is φ = 346721760.

The previous prime is 526421053. The next prime is 526421081. The reversal of 526421061 is 160124625.

526421061 is a `hidden beast` number, since 5 + 2 + 642 + 10 + 6 + 1 = 666.

It is not a de Polignac number, because 526421061 - 2³ = 526421053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526421081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 636130 + ... + 636956.

It is an arithmetic number, because the mean of its divisors is an integer number (32065956).

Almost surely, 2^526421061 is an apocalyptic number.

It is an amenable number.

526421061 is a deficient number, since it is larger than the sum of its proper divisors (243161883).

526421061 is a wasteful number, since it uses less digits than its factorization.

526421061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 526421061 is about 22943.8676120658. The cubic root of 526421061 is about 807.4415341056.

Adding to 526421061 its reverse (160124625), we get a palindrome (686545686).

The spelling of 526421061 in words is "five hundred twenty-six million, four hundred twenty-one thousand, sixty-one".