2063521 has 2 divisors, whose sum is σ = 2063522. Its totient is φ = 2063520.

The previous prime is 2063507. The next prime is 2063539. The reversal of 2063521 is 1253602.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 929296 = 1065^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2063521 - 2⁷ = 2063393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2063561) 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 as a sum of consecutive naturals, namely, 1031760 + 1031761.

It is an arithmetic number, because the mean of its divisors is an integer number (1031761).

2^2063521 is an apocalyptic number.

It is an amenable number.

2063521 is a deficient number, since it is larger than the sum of its proper divisors (1).

2063521 is an equidigital number, since it uses as much as digits as its factorization.

2063521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2063521 is about 1436.4960842272. The cubic root of 2063521 is about 127.3120850912.

The spelling of 2063521 in words is "two million, sixty-three thousand, five hundred twenty-one".