1059521 has 4 divisors (see below), whose sum is σ = 1082112. Its totient is φ = 1036932.

The previous prime is 1059517. The next prime is 1059547. The reversal of 1059521 is 1259501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1259501 = 163 ⋅7727.

It is a cyclic number.

It is not a de Polignac number, because 1059521 - 2² = 1059517 is a prime.

It is a super-2 number, since 2×1059521² = 2245169498882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1059511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11225 + ... + 11318.

It is an arithmetic number, because the mean of its divisors is an integer number (270528).

2^1059521 is an apocalyptic number.

It is an amenable number.

1059521 is a deficient number, since it is larger than the sum of its proper divisors (22591).

1059521 is an equidigital number, since it uses as much as digits as its factorization.

1059521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22590.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 1059521 is about 1029.3303648489. The cubic root of 1059521 is about 101.9459216093.

The spelling of 1059521 in words is "one million, fifty-nine thousand, five hundred twenty-one".