1413041521 has 4 divisors (see below), whose sum is σ = 1414192500. Its totient is φ = 1411890544.

The previous prime is 1413041491. The next prime is 1413041527. The reversal of 1413041521 is 1251403141.

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 1091377296 + 321664225 = 33036^2 + 17935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1413041521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1413041492 and 1413041501.

It is not an unprimeable number, because it can be changed into a prime (1413041527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573646 + ... + 576103.

It is an arithmetic number, because the mean of its divisors is an integer number (353548125).

Almost surely, 2^1413041521 is an apocalyptic number.

It is an amenable number.

1413041521 is a deficient number, since it is larger than the sum of its proper divisors (1150979).

1413041521 is a wasteful number, since it uses less digits than its factorization.

1413041521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150978.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1413041521 is about 37590.4445437933. Note that the first 3 decimals coincide. The cubic root of 1413041521 is about 1122.1518793238.

Adding to 1413041521 its reverse (1251403141), we get a palindrome (2664444662).

The spelling of 1413041521 in words is "one billion, four hundred thirteen million, forty-one thousand, five hundred twenty-one".