8283521 has 2 divisors, whose sum is σ = 8283522. Its totient is φ = 8283520.

The previous prime is 8283503. The next prime is 8283547. The reversal of 8283521 is 1253828.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8151025 + 132496 = 2855^2 + 364^2 .

It is a cyclic number.

It is not a de Polignac number, because 8283521 - 2¹⁰ = 8282497 is a prime.

It is not a weakly prime, because it can be changed into another prime (8283551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4141760 + 4141761.

It is an arithmetic number, because the mean of its divisors is an integer number (4141761).

Almost surely, 2^8283521 is an apocalyptic number.

It is an amenable number.

8283521 is a deficient number, since it is larger than the sum of its proper divisors (1).

8283521 is an equidigital number, since it uses as much as digits as its factorization.

8283521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 8283521 is about 2878.1106650023. The cubic root of 8283521 is about 202.3353007205.

The spelling of 8283521 in words is "eight million, two hundred eighty-three thousand, five hundred twenty-one".