1541332313 has 4 divisors (see below), whose sum is σ = 1541495460. Its totient is φ = 1541169168.

The previous prime is 1541332301. The next prime is 1541332321. The reversal of 1541332313 is 3132331451.

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 1110022489 + 431309824 = 33317^2 + 20768^2 .

It is a cyclic number.

It is not a de Polignac number, because 1541332313 - 2⁴ = 1541332297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1541332333) 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, 66470 + ... + 86607.

It is an arithmetic number, because the mean of its divisors is an integer number (385373865).

Almost surely, 2^1541332313 is an apocalyptic number.

It is an amenable number.

1541332313 is a deficient number, since it is larger than the sum of its proper divisors (163147).

1541332313 is a wasteful number, since it uses less digits than its factorization.

1541332313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163146.

The product of its digits is 3240, while the sum is 26.

The square root of 1541332313 is about 39259.8053102661. The cubic root of 1541332313 is about 1155.1332749765.

Adding to 1541332313 its reverse (3132331451), we get a palindrome (4673663764).

The spelling of 1541332313 in words is "one billion, five hundred forty-one million, three hundred thirty-two thousand, three hundred thirteen".