1036521481 has 4 divisors (see below), whose sum is σ = 1036643652. Its totient is φ = 1036399312.

The previous prime is 1036521463. The next prime is 1036521511. The reversal of 1036521481 is 1841256301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 279391225 + 757130256 = 16715^2 + 27516^2 .

It is a cyclic number.

It is not a de Polignac number, because 1036521481 - 2²¹ = 1034424329 is a prime.

It is a super-2 number, since 2×1036521481² = 2148753561148866722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1036521461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47326 + ... + 65671.

It is an arithmetic number, because the mean of its divisors is an integer number (259160913).

Almost surely, 2^1036521481 is an apocalyptic number.

It is an amenable number.

1036521481 is a deficient number, since it is larger than the sum of its proper divisors (122171).

1036521481 is an equidigital number, since it uses as much as digits as its factorization.

1036521481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122170.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1036521481 is about 32195.0536728858. The cubic root of 1036521481 is about 1012.0285606072.

Adding to 1036521481 its reverse (1841256301), we get a palindrome (2877777782).

The spelling of 1036521481 in words is "one billion, thirty-six million, five hundred twenty-one thousand, four hundred eighty-one".