526421059 has 4 divisors (see below), whose sum is σ = 531250720. Its totient is φ = 521591400.

The previous prime is 526421053. The next prime is 526421081. The reversal of 526421059 is 950124625.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 526421059 - 2⁷ = 526420931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (526421053) 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 3 ways as a sum of consecutive naturals, for example, 2414667 + ... + 2414884.

It is an arithmetic number, because the mean of its divisors is an integer number (132812680).

Almost surely, 2^526421059 is an apocalyptic number.

526421059 is a deficient number, since it is larger than the sum of its proper divisors (4829661).

526421059 is a wasteful number, since it uses less digits than its factorization.

526421059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4829660.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 526421059 is about 22943.8675684811. The cubic root of 526421059 is about 807.4415330831.

The spelling of 526421059 in words is "five hundred twenty-six million, four hundred twenty-one thousand, fifty-nine".