1012485521 has 2 divisors, whose sum is σ = 1012485522. Its totient is φ = 1012485520.

The previous prime is 1012485517. The next prime is 1012485569. The reversal of 1012485521 is 1255842101.

1012485521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964723600 + 47761921 = 31060^2 + 6911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012485521 - 2² = 1012485517 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012482521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506242760 + 506242761.

It is an arithmetic number, because the mean of its divisors is an integer number (506242761).

Almost surely, 2^1012485521 is an apocalyptic number.

It is an amenable number.

1012485521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012485521 is an equidigital number, since it uses as much as digits as its factorization.

1012485521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 1012485521 is about 31819.5776370460. The cubic root of 1012485521 is about 1004.1446385722.

The spelling of 1012485521 in words is "one billion, twelve million, four hundred eighty-five thousand, five hundred twenty-one".